BOOKLET OF
ORATING EFFICIENCY CURVES
^ ^ - c u ^ v a s
TABLE OF CONTENTS
Introduction to Gratings
Grating Efficiency
Higher Order Considerations
Polarization
Grating Anomalies and Types
Grating Care
Gratings Overview
Gratings for 77700 Series Monochromator/Spectrograph
Ultraviolet Gratings
Visible Gratings
Near Infrared Gratings
Infrared Gratings
Gratings for 77250 Series 1/8 m Monochromator
Ultraviolet Gratings
Visible Gratings
Near Infrared Gratings
Infrared Gratings
Gratings for 77200 Series 1/4 m f^/lonochromator
Ultraviolet Gratings
Visible Gratings
Near Infrared Gratings
Infrared Gratings
Gratings for 77400 Series 1/8 m Spectrograph
Ultraviolet Gratings
Visible Gratings
Near Infrared Gratings
Unmounted Gratings
Ultraviolet Gratings
Visible Gratings
Near Infrared Gratings
Infrared Gratings
2
3
4
6
8
9
10
12
16
19
23
26
30
31
35
39
43
45
49
52
58
62
64
71
78
85
INTRODUCTION TO GRATINGS
CHOOSING YOUR GRATING
The choice of grating for any spectroscopic system depends on the
application and must be made as one step in an iterative process of system design. The radiation source, radiation detector, polarization of radiation, spectral range of interest and desired resolution all play a role in grating selection. Our monochromators and spectrographs are designed to
allow easy grating interchange and we supply a wide range of gratings.
Sometimes the solution is to select more than one grating.
This booklet discusses some properties of Oriel diffraction gratings, and
shows typical efficiency curves. We hope it helps you select the best grating for your application.
GROOVE DENSITY
Oriel gratings are available in various groove densities (i.e. lines/mm)
and blaze wavelengths. The blaze wavelength is the wavelength where
the grating efficiency is enhanced by shaping the grating grooves. (We
refer to our holographic gratings as blazed for convenience. This is not
strictly true though recent production techniques allow modification of the
simple symmetrical sinusoidal groove shape to enhance efficiency over a
limited spectral region.) Gratings for the UV and visible are available with
groove densities from 200 to 2400 I/mm, though not for all instruments.
Gratings for the near infrared are 600 I/mm and then infrared gratings
have lower groove densities.
Groove density, bandpass and resolution
Higher groove densities give higher reciprocal dispersion and therefore
higher resolution. The monochromator bandpass with a 2400 I/mm grating (and slits with widths above 50 \im) is half that of the same arrangement with a 1200 I/mm grating. The resolution with the 2400 I/mm grating
is twice that with the 1200 I/mm grating. This simple relationship is not
accurate for slitwidths below 25 to 50 n.m (depends on monochromator
and grating) as the optical aberrations begin to play a role in the bandpass
and resolution. Actual bandpasses are tabulated in the Volume II catalog.
Groove density and stepper motor wavelength drives
Because we use a sine drive in our 77250 and 77200 Monochromators, each step of the stepper motor changes the wavelength by a
constant amount; 0.1 nm for a 1200 I/mm grating in the 77250 or 77200.
The wavelength increment per step depends on the grating; with a coarser
grating (i.e. one with a lower groove density) the wavelength increment
per step is larger. The wavelength increment per step is given by
0.1 X 1200/gden nm
Dispersion
As usual the first law of physics "You don't get something for nothing"
applies. You may gain resolution by going to a higher groove density grating, but you lose spectral range. This is easy to see for our 77400 1/8 m
Spectrograph where the 77411 1200 I/mm grating has a reciprocal dispersion of around 6.3 nm/mm, and spreads 6.3 x 12.5 = 79 nm over a 12.5
mm long diode array or 6.3 x 25 = 158 nm over a 25 mm long diode array.
For our 1/4 m Monochromator/Spectrograph, the same 1200 I/mm grating
has a reciprocal dispersion of around 3.2 nm/mm, and spreads 80 nm.
The dispersion of a grating changes inversely with the groove density.
If the groove density is halved, the dispersion is doubled. For example, a
600 I/mm grating spreads approximately 320 nm over a 25 mm long diode
array, and a 300 I/mm grating spreads approximately 640 nm.
Because linear dispersion varies with incident angle, the dispersion of a
600 I/mm grating over a diode array is not exactly double that of a 1200
I/mm grating over the same diode array.
Groove density and spectral range for a monochromator
A monochromator mechanism can only tilt the grating through a limited
angle, from -0° to 45° in the 77200. The angle and groove density determine the transmitted wavelength, you can then use the grating equation
and the maximum angle determined by the mechanism, to find the longest
possible wavelength.
Since the grating can be tilted down to 0°, the lowest possible wavelength, ca. 180 nm, is set by the transmittance of the air (ca. 150 nm for a
nitrogen flushed monochromator).
Table 2 Longest Wavelength In First Order Determined by the
Mechanism of the Monochromator
Longest Waveiengtti in nm
Grating Groove
77250 1/8 m
77200 1/4 m
Density (i/mm) Monochromator Monocliromator
2400
1200
600
400
300
200
150
75
50
500
1000
2000
3000
4000
N/A
8000
16000
24000
600
1200
2400
3600
4800
7200
9600
19200
N/A
77400 1/8 m
Spectrograph
77700 Series
{Monochromator/
Spectrograph
625
1250
2500
3750
5000
N/A
N/A
N/A
N/A
Where:
g , ^ = Groove density of the grating in use
E.g., with a 2400 i/mm grating, you get a 0.05 nm increment.
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 . TEL: (203) 377-8282 - FAX: (203) 378-2457 . ELECTRONiC MAIL: 73163.1321@compuserve.com
700
1400
2800
4200
5600
8400
11200
23000
33600
GRATING EFFICIENCY
GRATING EFFICIENCY
It would be wonderful to have efficient gratings to cover 185 to 3000 nm
in first order. Unfortunately due to diffraction physics, gratings only have
high efficiency over a limited spectral range. Groove shaping techniques
("blazing") allow selection of the high efficiency range. We have 1200
I/mm gratings where groove shaping has been used to give high efficiency
at 250 nm. Other 1200 I/mm gratings are optimized for 500 nm.
The efficiency curves starting on page 12 show how the measured efficiency falls from the maximum at the blaze wavelength. As you can see
from the curves, some gratings are very efficient over a limited wavelength
range; this means for radiation at any wavelength in this range most of the
incident beam is diffracted into the first order, and through the monochromator (set for that wavelength).
Please use the curves as a guide and not as absolute data. The
measurements which led to all the data used a particular monochromator
geometry; performance in each of our instruments will differ slightly from
this data as the geometries are not exactly the same. This is of particular
importance with spectrographs.
If light of 500 nm is measured with a diode array detector when the
center wavelength on the detector is 400 nm, the signal will differ from that
measured when the center wavelength is displaced, for example, to 600
nm. For this reason sections of emission spectra taken at different center
wavelengths cannot be simply spliced together to make up a wider spectral range.
We list the usable and primary efficiency ranges for each grating.
The usable range is the range in first order for which the grating has an
efficiency of more than 10% (for unpolarized radiation), and the primary is
the range in which the grating has an efficiency of more than 20% (for
unpolarized radiation).
In summary then, there are three spectral ranges.
• Wavelengths increasing to the theoretical maximum (see page 9 for
a brief description of "theoretical maximum")
• Maximum range determined by the mechanical rotation limit of the
monochromator. The shaded area of our curves are beyond the
mechanical limit of the instrument.
• The efficiency limited spectral range somewhat arbitrarily divided
into primary (>20%) and usable (>10%) ranges.
1
LDRIEL
90-
INSTRUMENTS
8070-
1
5?
>
o
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LU
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U_
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PRIMARY
-*-EFFICIENCY • RANGE
6050-
i
40302010-
/
r
100 200 300 400
•N
500
600
700 800 900
1000 1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
USABLE
RANGE
MAXIMUM RANGE
DETERMINED BY
*
MECHANICAL ROTATION
*
LIMIT OF MONOCHROMATOR
Fig. 1 Typical grating efficiency curve showing the various spectral ranges.
The wavelength scale Is changed at 1000 nm (1 ^m).
For further information on any grating in tills cataiog CALL (203) 377-8282
HIGHER ORDER CONSIDERATIONS
When you set a monochromator at 600 nm, any radiation present at
200 nm or 300 nm will pass through the monochromator. Similarly, if the
grating is set for 1000 nm, then 500 nm, 333 nm, 250 nm and 200 nm
radiation also pass through the monochromator. In general when the
monochromator is set for wavelength X, radiation at X/1, X/2, X/S, etc. can
pass through. The denominator 1, 2, 3, etc. is called the order of diffraction. Radiation at X is called first order radiation and is usually what we
want (as we have set the monochromator at X\). Radiation at XJ2 is called
second order radiation, X/3 third order, etc. All radiation at X/2, X/3, X/4,
etc. can be collectively referred to as higher order radiation.
EFFICIENCY OF HIGHER ORDER DIFFRACTION
The efficiency curves in this booklet are for first order radiation.
Fig. 2 shows typical efficiency curves for first, second and third orders.
The curves for the higher orders have lower peaks and show less structure than the first order curve. The second order curve peaks at /IB/2, the
third order peaks at XB/3, etc. (XQ = Blaze wavelength). When the monochromator is operating efficiently in first order it is also efficient for 2nd,
3rd, etc. orders. You can make use of this behavior to extend the useful
range of a grating to shorter wavelengths.
HIGHER ORDER DIFFRACTION CAN BE USEFUL
Higher order diffraction can be used for more efficient operation at low
wavelengths. For example, if you have a grating blazed for 500 nm in first
order, then the curve shows very low first order efficiency at 250 nm, so by
cranking the monochromator down to 250 nm you will get very little
throughput. The reason that the grating has low first order efficiency at
250 nm is that, because of the blazed groove shape, 250 nm radiation is
being efficiently diffracted into the second order! You can get much better
efficiency at 250 nm by operating this grating in second order with the
monochromator set at 500 nm. (This will only be useful if you have no
problem with 500 nm radiation or can filter it out from the desired 250 nm
radiation.)
In general, when the monochromator is set for XB/2, the first order efficiency is so low, very little radiation passes through. For more efficiency at
wavelength XB/2, you can set the monochromator at XQ, and use second
order diffraction. There the A,B/2 efficiency is much greater.
PROBLEMS:
DETECTOR
RECORDS ALL
WAVELENGTHS
DETECTOR
80
1
1
1
1
1
ORIEL
70
INSTRUMENTS
60
/
-
A
BROADBAND
TRANSMITTING
LENS
-
\
X
I
+
2
3
1ST
2ND
3RD
ORDER ORDER ORDER
BROADBAND
SOURCE
^
+
MONOCHROMATOR
50
>
o
z
LU
40
/
A /
\
l\
\
SOLUTIONS:
1st
\,,^^^ORDER
-
o
LL
LL
LU
( T ) LENS MATERIAL CUTS
OFF X/2. XJ3. ETC.
30
20
^
\
500
1000
\l^^
2nd
V^ORDER
V
^ 3rd
^X^c^ORDER
10
0
y
1500
-
^
V
-
^''V.
2000
2500
3000
3500
40 DO
WAVELENGTH (nm)
Fig. 2 Typical grating efficiency curves for first, second and third orders.
©
ORDER SORTING FILTER
CAN BE ON INPUT OR
OUTPUT SIDE.
DETECTOR
SENSITIVE
ONLY TO X
Fig. 3 When detecting very low signals In the presence of an Intense short
wavelength background, use the filter on the Input side. If the filter Is
on the output side, close to the detector, then the higher order radiation coming through the monochromator can cause the filter to fluoresce and this fluorescence will t>e detected. Of course the fluorescence will be due only to the narrow band of higher order radiation
that passes through the monochromator, but If the filter is close to the
detector, the detector can collect a lot of the Isotroplcally emitted
fluorescence. If the filter Is on the Input side it will also fluoresce, but
the monochromator collection angle and narrow bandpass will reduce
the fluorescence reaching the detector. When using the monochromator as a filter for an intense source, the filter may be better on the output side as this reduces the power on the filter.
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@compuserve.com
HIGHER ORDER RADIATION CAN BE A NUISANCE
For meaningful spectral measurements you should be careful to
remove unwanted orders, particularly if the input radiation is intense or the
detector more sensitive at the higher order.
Many radiometric and spectrophotometric measurements are erroneous because what was thought to be a measurement with a single
wavelength was actually a measurement using radiation at that wavelength contaminated with higher order radiation. This happens frequently
with an arc or tungsten halogen source and photomultiplier operating in
the 750 to 900 nm region. The sensitivity of most photomultipliers falls off
rapidly as you go beyond 800 nm, but the sensitivity to second order radiation (385 to 450 nm) is deceptively high as you scan from 750 to 900 nm.
In this case you might want to use our 51294 Filter which cuts on at 505
nm, blocking the unwanted 385 to 450 nm band. See page 2-79 of
Volume II for a selection of Order Sorting Filters.
HIGHER ORDER CONSIDERATIONS
If you calibrate our 1/4 m Spectrograph/lnstaSpec™ IV CCD combination with a calibrated source then the counts at any wavelength X are
(ignoring stray light):
Cx = ki Rx Ex Tx + k2 Rxy2 ^\J2 Tx/2 + etc.
Where:
Rx = Reponsivity of the array (in counts/joule) at wavelength X
Tx = Transmission of the spectrograph at wavelength X
Ex = Incident energy per unit bandwidth through the spectrograph
entrance slit during the array "exposure time". For continuous
sources, Ex = Ix t, where t is the exposure time of the array and
Ix is the source irradiance in watts cm-2nm-i on the slit.
ki = Normalizing constant which relates the energy through the slit
to that falling on one pixel of the array. It includes the
dispersion of the grating at X, the entrance slit width, the pixel
(and total capture) dimensions and the imaging geometry of
the spectrograph.
Values for X/2 are those for the second order radiation, and the "etc."
takes care of any higher orders.
We can simplify the expression to:
cx includes all the factors in the previous equation
The whole purpose of radiometry is to measure an unknown source by
first measuring a known source. The whole irradiance program is based
on being able to say that at any wavelength X (corresponding to say pixel
#123) the irradiance from the unknown, luk, is given by:
luk = Ik X Cuk/Ck
I.e. if the unknown source produced three times as many counts at
pixel #123 as the known source for the same exposure time (Cuk = 3Ck),
then you know that the irradiance of the unknown is three times that of the
known at that wavelength X.
But, if you let the higher orders be mixed in, then you don't know what
the counts at pixel #123 are due to, either for the known source or for the
unknown. In a simple example, if the known (calibration source) has no
second or higher order radiation, then Ck, the number of counts for pixel
#123, can be expressed as:
Ck = Cx Ex
Now suppose we have an unknown that may or may not have second
or higher order radiation and we measure Cjk counts at pixel #123, we
don't know anything except that pixel #123 recorded some mixture of radiation at X, X/2, X/3, etc.
Unfortunately, for any quantitative measurements we must know that
the known and unknown sources have the same spectral distribution (in
which case why bother with an expensive spectral radiometer), we must
know that there is no higher order radiation at the wavelengths of interest,
or we must use order sorting filters and record a piece of the spectrum at
a time.
STRAY LIGHT
In practice, a second type of stray light is a big problem with broadband
sources and detectors. It is due to the dispersed radiation inside the
monochromator/spectrograph, and its level depends on the design of the
baffles and spectrograph, and the finish (absorbing black paint) inside the
instrument. Even if the grating is perfect, this stray light will be there and
could be troublesome. Spectral filters should be used to remove as much
of it as possible. Or, you can use a double monochromator. You can look
on one monochromator of a double monochromator as a tunable narrow
spectral filter.
Cx = cx Ex -(- Cx/2 Ex/2 -t- etc.
Where:
For furttier information on any grating in tliis cataiog CALL (203) 377-8282
POLARIZATION
POLARIZATION
The diffraction efficiency from a grating usually depends on the polarization of the radiation incident on the grating. There can be significant differences between the efficiency for radiation with the electric field vector
parallel to the grating grooves and radiation with the electric vector perpendicular to the grooves.
Radiation with the electric vector restricted to a specific direction is linearly polarized. Linearly polarized radiation with the electric vector parallel
to the grooves is p polarized and radiation polarized perpendicular to the
grooves is s polarized. For our monochromators and spectrographs, p
polarized radiation has the polarization axis parallel to the entrance slit. In
most laboratory applications with the instrument sitting on its feet on a horizontal bench, p polarized radiation is vertically polarized.
(Note that this historical definition of s and p polarization for diffraction
gratings does not follow the general rules for s and p polarization for
optics where the plane of incidence rather than the grooves are used to
define parallel and perpendicular.)
60.0-
\
URIEL
^X
INSTRUMENTS
52.5-
/
TOTAL
. ^ ^ UNPOLARIZED
^ ^
INPUT
\
V
\
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45.0-
/
•°
/
37.5-
X
<
POLARIZED!
TO GROOVES
(S-PLANE)
^
1^\/ A
/
/
^
1
/
1
/
1
/
1 /
1 '
^
30.0-
22.5-
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POLARIZED II
TO GROOVES
(P-PLANE)
15.0-
\ ' ' / \
7.5-
^ ' - ^
200
300
400
500
600
^^^W.^
700
800
900
1000
WAVELENGTH (nm)
Fig. 5 This shows the three polarization curves for the scan from Fig. 6 on
the next page.
-POLARIZED
MAY BE PARTIALLY
POLARIZED
DEPENDING ON
GRATING AND
WAVELENGTH
Fig. 4 The direction of p, s and unpolarized radiation entering and exiting
the 77200 Monochromator.
Polarization and Efficiency
Most of our graphs for any grating have two separate efficiency curves,
one for radiation polarized parallel to the grooves and one for radiation
polarized perpendicular to the grooves.
We will discuss three aspects of this polarization dependence
1. Efficiency considerations for polarized input radiation.
2. The efficiency curves for one polarization are "smoother".
3. When you use unpolarized light, the output from the monochromator
may be partially polarized.
1. Efficiency considerations
If your source is linearly polarized and efficiency is important, then you
should make sure that you have the most efficient orientation for
polarization to grating. You can ensure this by rotating the source,
rotating the polarization, or rotating the spectrometer. Rotating the
polarization of a large laser system using a half wave plate (Volume III
page 3- 28) or achromatic retarder (Volume III page 3- 30), is often
simpler than rotating either the laser or spectrometer.
2.
Curve smoothness
Typically the efficiency curve for p polarized light peaks slightly lower
than nominal blaze wavelength and smoothly declines to 0 at about
three times the blaze. The curves for p polarized light are generally
smooth, without dramatic changes in direction or sharp features. The
curves for s polarized light peak slightly above nominal blaze and
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@compuserve.com
decline but can recover dramatically and show good efficiency right
out to the theoretical maximum diffraction wavelength. The s polarization curves can show sharp features, anomalies, which complicate
data deconvolution from spectral scans. If you are measuring a spectral feature close to an anomaly, then the real feature may be dramatically distorted. If possible, you should select a grating (or polarization)
which has no significant anomaly in the spectral region of interest.
Most radiometric or spectrophotometric measurements are relative. A
reference scan of a calibrated light source (or scan without sample) is
used to evaluate the unknown. Because of the polarization related
efficiency differences, it is important that the reference and "unknown"
radiation have exactly the same polarization properties. We recommend the use of a diffuser at the input to the monochromator, preferably an integrating sphere, for the most accurate measurements.
3. Polarization of the output radiation
When you pass unpolarized light through a monochromator, the output monochromatic beam may be polarized. The performance of
many optical elements depends on polarization. This is particularly
true of dielectric reflectors used at non normal incidence. You should
be cognizant of the polarization effects when selecting components
for the path of the radiation from the monochromator. You should also
distinguish between the use of s and p polarization for gratings and
monochromators and the general use of the terms in optics.
The sensitivity of most detectors does not depend on the polarization
of the detected radiation. Side-on photomultipliers do show some
polarization dependence.
EJRIEL
INSTRUMENTS
LIGHT SOURCE
SPECTRAL OUTPUT
PHOTOMULTIPLIER
RESPONSE
An Example: Diode Laser Measurements
The 77234 600 I/mm grating blazed at 1 nm is a popular grating for
measurement of diode laser spectral characteristics. Diode lasers typically
have a polarized output (with greater than 50:1 ratio). For the visible laser
diodes this grating is more than 2 times as efficient for p polarized radiation than for s polarization. At 850 nm the difference in efficiency is inconsequential while at 1.3 and 1.5 |im radiation, the s polarization is diffracted
more efficiently.
The radiating area of many diodes is rectangular, and the polarization
direction is parallel to the long dimension of the diode. For direct coupling
of the diode output to the slit of a spectrograph, it is more efficient to couple the long dimension of the emitting area to the long dimension of the
slit. With the 1.3 and 1.5 ^m infrared diode lasers, this means that for
highest total efficiency, coupling and grating, you must align the diode to
the slit and rotate the polarization of the infrared radiation.
ACTUAL
SCAN
400
500
600
700
WAVELENGTH (nm)
Fig. 6 The bottom graph shows an actual scan of a calibrated lamp output
when used with the 77296 Grating and a PMT.
For furttier information on any grating in ttiis cataiog CALL (203) 377-8282
GRATING ANOMALIES AND TYPES
GHOSTS AND ANOMALIES
Anomalies are sudden increases or decreases in the efficiency vs.
wavelength curve. They are a result of the interaction of the electric fields
of incident and diffracted beams with each other and with the metal coated
grooves of the grating. They are not a defect of the grating but an
inescapable consequence of the diffraction physics of blazed gratings.
They were first documented by Wood and so are sometimes called
Wood's Anomalies. Fig. 7 shows a typical grating efficiency curve with
anomalies. Fig. 6 shows the effect these anomalies have on the recorded
spectrum of a typical tungsten halogen source.
GRATING ANOMALIES
1
:
1
1
POLARIZED 1 TO GROOVES
(S-PLANE)
POLARIZEDJl TO GROOVES
>
o
(P-PLANE)
LU
LU
>
LU
tr
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
WAVELENGTH (^m)
The best ruled gratings can also exhibit ghosts. You see these most
clearly when using a high power monochromatic input, such as a laser
used for Raman studies. In addition to the strong main line in the output
spectra the grating may produce faint satellite lines equally spaced on
each side of the main line. Rowland ghosts are close to the expected line
and Lyman ghosts are well separated from the line. Both are due to periodic errors in the grating grooves caused by minor defects in the ruling
machine. The intensity of the brightest ghost should be less than 0.0003
times the line intensity. Knowing that all ruled gratings suffer from ghosts
allows you to avoid interpreting these faint signals as weak but real spectral signatures. Ghosts appear equally spaced on both sides of the main
line. Holographic gratings do not suffer from ghosts.
RULED OR HOLOGRAPHIC?
Grating masters are either ruled using a ruling engine with an extremely
fine cutting tool, or produced by recording interference fringes in photoresist. The different techniques cause some differences in the performance
of ruled and (interference or) holographic gratings. Additionally,
because there are few combinations of photoresist and high power lasers
suitable for grating production, holographic gratings are only available with
higher groove densities. (The groove density depends on the fringe spacing which depends on the laser wavelength).
We recommend holographic gratings for work in the UV and through
the visible to ca. 600 nm. They scatter less stray light into the signal direction, so, even if the efficiency is lower than that of the competing ruled
grating, the holographic grating may give better signal to noise performance. (The actual signal to noise will depend on the spectral content of
the incident light and the detector.)
Holographic gratings have an additional advantage; they do not suffer
from ghosts, so interpretation of line spectra is simplified.
Fig. 7 Typical grating efficiency curve showing Wood's anomalies.
Some gratings exhibit prominent anomalies; others with different blaze
design, have no significant anomalies. Anomalies are much more troublesome for s- polarized radiation (though p polarized radiation can exhibit
anomalous behavior also.
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 • FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@compuserve.com
iJRIEl
GRATING CARE
CARE AND CLEANING OF GRATINGS
Grating cleanliness is important for efficiency but even more important
for stray light rejection. A dirty grating will still diffract, but there will be a
high stray light background as the radiation scatters or reflects off the dirt.
We have not found a satisfactory method of cleaning gratings that
doesn't cost more than the grating. Usually attempts at cleaning the surface result in worsening the problem. The grooved replicated surface is
fragile and can peel off. The grooves trap all sorts of small particles. We
do not recommend solvent baths, ultrasonic cleaning or strippable coatings.
If you have appropriate safety equipment and environmentally safe
means of chemical disposal then you can clean fresh fingerprints from a
grating using high purity xylene or toluene and extreme care. General purpose solvent will leave a residue. The solvent must only flow over the grating surface. Contact with the metal holder or adhesives can transfer contaminants from these to the grating face. When we attempt this cleaning
we usually find that the learning curve costs us most of the gratings we
wanted to clean!
So, take care of your gratings.
• Never touch the surface
• Don't wipe the grating - even gently
• Don't wrap gratings in tissue
• Never leave a grating face up on an open bench
• Store gratings in a dessicator
Grating Blemishes
The cosmetic appearance of a grating (as distinct from dirt and dust on
the grating) does not correlate with performance. Rowland found that his
best gratings were the ones with the worst visual appearance! Some of
the most efficient gratings seem to have bands. These originate in the ruling of the master and may be due to the cutting tool picking up a tiny
shard.
If the application is limited to a narrow spectral region, then the grating
choice is simple; the most efficient grating in that region is the best choice.
WHY DON'T WE OFFER HIGH GROOVE DENSITY GRATINGS
FOR THE INFRARED AND WHY DO OUR GRATINGS HAVE A
MAXIMUM GROOVE DENSITY OF 2400 I/mm?
The practical difficulty in producing a grating with groove density above
2400 I/mm (i.e. line spacing of less than 0.42 |im) is just now being
removed by new lithographic techniques or short wavelength holography,
but grating physics place a limit on the use of higher groove density gratings.
The grating equation is:
a (sin I + sin D) = m X*
Where:
m
a
X
I
D
=
=
=
=
=
the
the
the
the
the
order
groove
wavelength
angle of incidence
angle of diffraction
Since we are only considering first order, m = 1. For a 1200 I/mm grating, a = 833 nm. The maximum possible value of the sum of two sines is
2. Therefore the maximum possible value of X to satisfy
833 (sin I + sin D) = X
is obviously 1666 nm. So even if you could design a monochromator with
D -90° and I -90°, the longest wavelength you could possibly get in first
order from any 1200 I/mm grating is 1666 nm. Likewise with a 2400 I/mm
grating the maximum is 833 nm. Practical considerations restrict the
angles D and I so the longest usable wavelength is lower than this theoretically possible maximum. Our 1/4 m 77200 Monochromator allows use
to 1200 nm with a 1200 I/mm grating and 600 nm with a 2400 I/mm grating, in both cases an impressive 72% of the theoretically possible maximum. A 4000 I/mm grating would only be useful to 360 nm. And of course
the theoretical limit is why we offer only low groove density gratings for the
infrared.
* Different definitions of positive and negative angles (with respect to the
grating normal) can lead to confusion In using this equation.
For furttier Information on any grating in ttils catalog CALL (203) 377-8282
GRATINGS OVERVIEW
Wavelength Region
Blaze
Wavelength
Line Density
(I/mm)
(nm)
Primary
Usable
Gratings for 77700 Series Monochromator/Spectrograph
175-700 nm
200
180-500 nm
600
180-700 nm
250
200-700 nm
2400
175-1000 nm
180-650 nm
1200
'
250
200-1400 nm
180-1400 nm
1200
350
250-1300 nm
250-1600 nm
400
600
250-1150 nm
245-1500 nm
300
500
250-1050 nm
1800
500
300-1050 nm
450-1400 nm
400-1400 nm
1200
750
600
1000
600-2500 nm
550-2500 nm
550-2400 nm
200
1000
600-2200 nm
400
1200
700-2500 nm
650-3000 nm
1-4nm
300
2000
1.1-3.4 ^m
2.5-9.5 nm
150
4000
2.5-9 nm
4.5-21 nm
75
4.5-20 nm
7000
Gratings for 77250 Series 1/8 m Monochromator
180-500 nm
175-700 nm
600
200
2400
250
200-500 nm
180-500 nm
175-1000 nm
180-650 nm
1200
250
200-1000 nm
180-1000 nm
1200
350
300-750 nm
250-750 nm
1800
500
450-1000 nm
400-1000 nm
1200
750
600
450-2000 nm
400-2000 nm
750
550-2000 nm
600
1000
600-2000 nm
550-2400 nm
200
1000
600-2200 nm
1.1-3.4 nm
300
2000
1-4nni
2.5-8 nm
2.5-8 nm
150
4000
75
4.5-16 nm
4.5-16 nm
7000
6.5-24 nm
50
11000
7-23 nm
Gratings for 77200 Series 1/4 m Monochromator
175-700 nm
600
200
180-500 nm
180-600 nm
250
200-600 nm
2400
175-1000 nm
1200
250
180-650 nm
200-1200 nm
180-1200 nm
1200
350
250-900 nm
1800
500
300-900 nm
300-1200 nm
270-1600 nm
500
400
450-1200 nm
400-1200 nm
1200
750
400-2400 nm
750
450-2400 nm
600
1000
600-2400 nm
550-2400 nm
600
1000
i
600-2200 nm
550-2400 nm
200
1-4nm
2000
1.1-3.4 nm
300
2.5-9 nm
2.5-9.5 nm
4000
150
4.5-19.2 nm
7000
4.5-19.2 nm
75
10
Type
Model
No.
Efficiency
Curve
Page No.
Ruled
Holographic
Holographic
Ruled
Ruled
Ruled
Holographic
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
77743
77740
77741
77742
77744
77747
77753
77752
77745
77749
77746
///48
77750
77751
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Ruled
Holographic
Holographic
Ruled
Holographic
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
77304
77308
77296
77298
77309
77306
77305
77299
77307
77300
77301
77302
77303
26
27
28
29
30
31
32
33
34
35
36
37
38
Ruled
Holographic
Holographic
Ruled
Holographic
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
77239
77230
77231
77233
77253
77240
77229
77243
77234
77244
77235
77236
77237
39
40
41
42
43
44
45
46
47
48
49
50
51
250 LONG BEACH BLVD.. P.O. BOX 872. STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203^ 378-2457 • ELECTRONIC MAIL: 73163.1321 ©comouserve.com
Blaze
Wavelength Region
1 i n o r^oncitvr
(I/mm)
1
(nm)
Gratings for 77400 1/8 m Spectrograph
600
200
2400
250
1200
250
300
300
400
350
1200
350
600
400
2400
400
1800
500
400
500
1200
750
600
1
750
Unmounted Gratings
600
200
2400
250
1200
250
600
300
300
300
1200
350
400
350
2400
1
400
600
400
300
500
500
1800
1200
500
500
600
400
500
750
1200
600
750
400
'
850
1200
,
1000
1000
600
200
1000
400
1200
2000
300
150
4000
150
6000
7000
75
11000
50
Efficiency
Curve
Page No.
Primary
Usable
Type
Model
No.
180-500 nm
200-625 nm
180-650 nm
200-750 nm
200-800 nm
200-1250 nm
250-1300 nm
230-625 nm
300-837 nm
300-1200 nm
450-1250 nm
450-2500 nm
175-700 nm
180-625 nm
175-1000 nm
180-1000 nm
180-1100 nm
180-1250 nm
250-1600 nm
200-625 nm
250-837 nm
270-1600 nm
400-1250 nm
400-2500 nm
Ruled
Holographic
Holographic
Ruled
Ruled
Ruled
Ruled
Holographic
Holographic
Ruled
Ruled
Ruled
77413
77419
77410
77422
77416
77411
77414
77420
77421
77417
77412
77415
52
53
54
55
56
57
58
59
60
61
62
63
180-500 nm
200-750 nm
180-650 nm
250-850 nm
200-750 nm
200-1600 nm
200-800 nm
230-800 nm
250-1300 nm
250-1150 nm
300-1100 nm
280-1600 nm
280-1200 nm
300-1200 nm
450-1600 nm
450-2800 nm
550-2200 nm
550-1600 nm
600-2500 nm
600-2200 nm
700-2500 nm
1.1-3.4 nm
2.5-9 nm
4-10 nm
4.5-20 nm
7-23 nm
175-700 nm
180-800 nm
175-1000 nm
250-1400 nm
180-1000 nm
180-1600 nm
180-1100 nm
200-850 nm
250-1600 nm
245-1500 nm
250-1100 nm
250-1600 nm
250-1600 nm
270-1600 nm
400-1600 nm
400-3000 nm
500-2500 nm
300-1600 nm
550-2500 nm
550-2400 nm
650-2500 nm
1-4nm
2.5-9.5 nm
3.5-10.5 nm
4.5-21 nm
6.5-24 nm
Ruled
Holographic
Holographic
Ruled
Ruled
Ruled
Ruled
Holographic
Ruled
Ruled
Holographic
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
Ruled
77917/918
77901/902
77907/908
77919/920
77937/938
77909/910
77929/930
77903/904
77921/922
77939/940
77905/906
77911/912
77923/924
77931/932
77913/914
77925/926
77933/934
77915/916
77927/928
77945/946
77935/936
77941/942
77947/948
77949/950
77951/952
77953/954
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
j
For furttier information on any grating in ttils catalog CALL (203) 377-8282
11
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77743 1/4 m Monochromator/Spectrograph Grating
;
1
V ^
1
1
1
-
REFLECTANCE
OF ALUMINUM
-*~-^:
'
•
^^..•'^r'^
J--j
/
—
^
POLARIZED. _TO GROOVES
(S-P LANE)
^
•
'rr\l
1
1
1
i
1
o
\t
_
50
1
1
1
1
r
•
. ..i J - A
30
'
,
•
"
!
1
1
; \
i
•••• i
-
- ORIEL
INSTRUMENTS
1
1
i
!
.... —.
\
1
1
...
1
1
0.2
0.9
1.0
1.2
1.8
2.0
2.2
2.4
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
Usable Wavelength Region^:
175-700 nm
Blaze Wavelength:
200 nm
77250 1/8 m Monochromator equivalent grating (page):
77304 (26)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77239 (39)
Reciprocal Dispersion at Blaze Wavelength:
6.4 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77413(52)
Array Bandpass (For a 25 mm Spectrograph):
163 nm
Unmounted equivalent grating (page):
77917/77918(64)
Primary Wavelength Region^:
180-500 nm
''Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
12
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
GRATING ASSEMBLY: 77740 1/4 m Monochromator/Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR/SPECTROGRAPH
1
1
REFLECTANCE
y ~ OFALUMINlJM
1
1
^ ^
•
—
'"^*'*>^
/ ^
^
/ /
-
LARIZED ±TO GROC
(S-PLANE)
^^'X
(P-PLANE)
1
1
1
,--m
50
>
[
\
_.. _L - - \1
\
1
\
|i
\
Ij
\
ll
•
;
.-
-
\
1
1
^ K:
30
1
\
\
N
ORIEL
INSTRUMENTS
N
^•v•
—
..^
0.9
1.0
WAVELENGTH (Mm)
SPECIFICATIONS
Line Density:
2400 I/mm
Usable Wavelength Region^:
180-700 nm+
Blaze Wavelength:
250 nm
77250 1/8 m Monochromator equivalent grating (page):
77308 (27)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77230 (40)
Reciprocal Dispersion at Blaze Wavelength:
1.6 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77419(53)
Array Bandpass (For a 25 mm Spectrograph):
40 nm
Unmounted equivalent grating (page):
77901/77902(65)
Primary Wavelength Region':
200-700 nm+
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For furttier information on any grating In tills catalog CALL (203) 377-8282
13
ORIEL
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77741 1/4 m Monochromator/Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
S:
50
0.9
1.0
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
175-1000 nm
Blaze Wavelength:
250 nm
77250 1/8 m Monochromator equivalent grating (page):
77296 (28)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77231 (41)
Reciprocal Dispersion at Blaze Wavelength:
3.2 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77410(54)
Array Bandpass (For a 25 mm Spectrograph):
82 nm
Unmounted equivalent grating (page):
77907/77908 (66)
Primary Wavelength Region':
180-650 nm
^Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
14
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321 ©ComDuserve.conn
GRATING ASSEMBLY: 77742 1/4 m Monochromator/Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR/SPECTROGRAPH
o
z
UJ
o
0.9
1.0
1.2
WAVELENGTH (fim)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
350 nm
77250 1/8 m Monochromator equivalent grating (page):
77298 (29)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77233 (42)
180-1400 nm+
Reciprocal Dispersion at Blaze Wavelength:
3.2 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77411 (57)
Array Bandpass (For a 25 mm Spectrograph):
82 nm
Unmounted equivalent grating (page):
77909/77910(69)
Primary Wavelength Region':
200-1400 nm+
' W a v e l e n g t h region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For furttier information on any grating In tliis catalog CALL (203) 377-8282
15
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77744 1/4 m Monochromator/Spectrograph Grating
REFLECTANCE
ALUMINUM
90
POLARIZED J_TO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
j
—
!
70
/
60
\ I
O
z
it
'-if
50
...J..
/ ' \
I
30
!
V
INSTRUMENTS
0.4
0.5
0.8
0.9
1.0
1.2
1.6
1.8
r
2.0
y
\
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
Usable Wavelength Region^:
250-1600 nm
Blaze Wavelength:
400 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Reciprocal Dispersion at Blaze Wavelength:
6.5 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77414(58)
Array Bandpass (For a 25 mm Spectrograph):
163 nm
Unmounted equivalent grating (page):
77921/77922(72)
Primary Wavelength Region':
250-1300 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
16
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 . TEL: (203) 377-8282 - FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@coniDUserve.com
GRATING ASSEMBLY: 77747 1/4 m Monochromator/Spectrograph Grating
100
REFLECTANCE
OF ALUMINUM
I
90
POLARIZED ± T 0 GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
/<?;;
: S
-i-
V
^ \ . I\
/
tt
.
/
-
•
•
50
^ \I
LU
LU
>
-J
! \
dn
^j
v^
>-
-f10
miSTRUMENTS
0.1
0.2
0.3
0.4
0.5
0.6
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
300 I/mm
Usable Wavelength Region^:
245-1500 nm
Blaze Wavelength:
500 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Reciprocal Dispersion at Blaze Wavelength:
12.8 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph):
325 nm
Unmounted equivalent grating (page):
77939/77940 (73)
Primary Wavelength Region':
250-1150 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
For furttier information on any grating in tliis catalog CALL (203) 377-8282
17
ORIEL
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77753 1/4 m Monochromator/Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR/SPECTROGRAPH
1
y ^
^^—-^
REFLECTANCE
OF ALUMINUM
;
!
,
^""^*'*^
—
y^'"^'^
1 Ar)i-7i^i-.
1 -r/-i ^ D / - ^ r ^ v / c c ^
(S-PLANE)
(P-PLANE)
„
i
\
\
!.
•
i
\
i
1 ^
;
1
1
1
1
1
i
o
t
50
40
\
•
\
1
\
\
- ORI^L
....|...-N.^^ -1
INSTRUMENTS
' - • i ^
0.4
\
1
0.5
4
'r
---
\
'
0.8
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1800 I/mm
Usable Wavelength Region^:
250-1050 nm'-
Blaze Wavelength:
500 nm
77250 1/8 m Monochromator equivalent grating (page):
77309 (30)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77253(43)
Reciprocal Dispersion at Blaze Wavelength:
2.1 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77421 (60)
Array Bandpass (For a 25 mm Spectrograph):
52 nm
Unmounted equivalent grating (page):
77905/77906 (74)
Primary Wavelength Region^:
300-1050 nm+
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
18
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77752 1/4 m Monochromator/Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR/SPECTROGRAPH
REFLECTANCE
OF ALUMINUM
,
I
I
POLARIZED I T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
>
o
2
<
_ I
LU
(r
INSTRUMENTS
0.3
0.9
1.0
1.2
2.0
2.6
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
400-1400 nm*
Blaze Wavelength:
750 nm
77250 1/8 m Monochromator equivalent grating (page):
77306(31)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77229 (45)
Reciprocal Dispersion at Blaze Wavelength:
3.1 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77412(62)
Array Bandpass (For a 25 mm Spectrograph):
79 nm
Unmounted equivalent grating (page):
77913/77914(78)
Primary Wavelength RegionV
450-1400 nm+
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For furttier information on any grating in ttiis cataiog CALL (203) 377-8282
19
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77745 1/4 m Monochromator/Spectrograph Grating
REFLECTANCE
OF ALUMINUM
r\4A-
90
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
\!
K
f-N
5?
>-
60
- ! - - / -
O
Lt
i'l
50
3
LU
tr
:S _,_—
\
/
I
s,.
N
20
/
M
0.1
0.2
0.5
/
INSTRUMENTS
I
0.8
0.9
1.0
2.6
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
Usable Wavelength Region^:
550-2500 nm
Blaze Wavelength:
1000 nm
77250 1/8 m Monochromator equivalent grating (page):
77299 (33)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77234 (47)
Reciprocal Dispersion at Blaze Wavelength:
6.4 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph):
163 nm
Unmounted equivalent grating (page):
77927/77928 (82)
Primary Wavelength Region':
600-2500 nm
'Wavelength region where the grating efficiency is > 2 0 % .
W a v e l e n g t h region where the grating efficiency is >10%.
20
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe.com
GRATING ASSEMBLY: 77749 1/4 m Monochromator/Spectrograph Grating
100
]
1
!
90
REFLECTANCE
• ^ OF ALUMINUM
7^
i
'
,
.
'
1
i
!.. .
.
.
LARIZED ± T O GROOVES
(S-PLANE)
80
T"
^
—
1
i .
/
;
^ , " " . . . ,
1
\
/:
1
70
1
1
\
- - - • I - — 1 ••
1
1
>
60
1\
LU
'
O
Li_
LL
LU
LU
•
/
:
:
1
i
50
!
>
LU
:
\ ' r "'
40
1
i
1
30
1
j
/
1
20
•
•
/- / 1
1
10
1
1
!
0.5
0.6
^
I
.. ^ 7
OfllEL
;
1
.
]
..._!
INSTRUMENTS
0
01
0.2
0.3
0.4
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
200 I/mm
Usable Wavelength Region^:
550-2400 nm
Blaze Wavelength:
1000 nm
77250 1/8 m Monochromator equivalent grating (page):
77307 (34)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77244 (48)
Reciprocal Dispersion at Blaze Wavelength:
19.3 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph):
490 nm
Unmounted equivalent grating (page):
77945/77946 (83)
Primary Wavelength Region^:
600-2200 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For furttier information on any grating in this catalog CALL (203) 377-8282
21
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77746 1/4 m Monochromator/Spectrograph Grating
REFLECTANCE
OF ALUMINUM
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
_.!__/_. I
!/
I
;/
/
-/
o
z
LU
I
o
50
!
/
/
•
I
/
/
7
/ _ .
If
I
I
rL
!-
INSTRUMENTS
V- ' i /
I
0.1
0.2
0.4
0.5
0.8
0.9
1.0
i
1.8
2.4
26
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
400 I/mm
Usable Wavelength Region^:
650-3000 nm
Blaze Wavelength:
1200 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Reciprocal Dispersion at Blaze Wavelength:
9.7 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph):
246 nm
Unmounted equivalent grating (page):
77935/77936 (84)
Primary Wavelength Region':
700-2500 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
22
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
GRATING ASSEMBLY: 77748 1/4 m Monochromator/Spectrograph Grating
i
^
REFLECTANCE
OF ALUMINUM
r\ \
;
^^---^
y
/
\'
—
i
1
J
v'^
1
>-
.
50
.
/
!
:
1
1
1
1
1
1
1
_. / _ /
/
i
i
0.1
02
0.5
0.6
1
i
1
1
s
1
1
1
/i
1
1
7
1
1
..,.._
- i--\
/
/
./ 7
i
1
....
1 ^-^L
/ : /
1
i
/
/
•
i
/
1
1
1
"^^
1
-
_TO GROOVES
(S-P LANE)
POLARIZED II TO GROOVES
(P-PLANE)
60
/--
1
.. . —
!
1
ORI
INSTRUMENTS
/-
1
/
0.8
0.9
1.0
1.2
1.6
2.0
2.2
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
300 I/mm
Usable Wavelength Region^:
1000-4000 nm
Blaze Wavelength:
2000 nm
77250 1/8 m Monochromator equivalent grating (page):
77300 (35)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77235 (49)
Reciprocal Dispersion at Blaze Wavelength:
12.9 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph):
325 nm
Unmounted equivalent grating (page):
77941/77942 (85)
Primary Wavelength Region':
1100-3400 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
23
ORIEL
SERIES 77700 1/4 m MONOCHROMATOR/SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77750 1/4 m Monochromator/Spectrograph Grating
y^
'
^ ^
1
1
1
1
POLAR IZED_LTO GROOVES
1
i
1
POLARIZED II TO GROOVES
(P-PLANE)
1
I
o
§
o
,
N
1
I l\j
1
\
50
Li_
LJ_
LU
!
1
1
1
\
i
!
1
1
i
\
1
;
i
i
1
N
\
j
i
^ ^
1
9
i
1
INST RUMENTS
1
1
i
!
\
7
•
\ O f VEL
^ ^
6
i
!
\
5
;
1
. Y ^
^
20
1
!
10
12
13
14
15
20
23
WAVELENGTH {\im)
SPECIFICATIONS
Line Density:
150 I/mm
Usable Wavelength Region^:
2.5-9.5 nm
Blaze Wavelength:
4 Jim
77250 1/8 m Monochromator equivalent grating (page):
7730 r(36)
type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77236 (50)
Reciprocal Dispersion at Blaze Wavelength:
25.8 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph):
653 nm
Unmounted equivalent grating (page):
77947/77948 (86)
Primary Wavelength Region^:
2.5-9 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
24
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 . FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321 Ocomousen/e.com
GRATING ASSEMBLY: 77751 1/4 m Monochromator/Spectrograph Grating
100
90
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
80
O
S
O
50
30
12
13
14
15
16
19
20
21
22
23
24
25
WAVELENGTH (|jm)
SPECIFICATIONS
Line Density:
75 I/mm
Usable Wavelength Region^:
4.5-21 nm
Blaze Wavelength:
7 Jim
77250 1/8 m Monochromator equivalent grating (page):
77302 (37)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77237(51)
Reciprocal Dispersion at Blaze Wavelength:
51.7 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrograph:
1300 nm
Unmounted equivalent grating (page):
77951/77952(88)
Primary Wavelength Region':
4.5-20 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
For further Information on any grating In this cataiog CALL (203) 377-8282
25
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77304 1/8 m Monochromator Grating
100
REFLECTANCE
OF ALUMINUM
POLARIZED ± T O GROOVES
(S-PLANE)
A"
t
1.
30
20
INSTRUMENTS
I
0.1
0.2
0.3
0.4
0.7
0.8
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
200 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77743(12)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77239 (39)
175-700 nm
Reciprocal Dispersion at Blaze Wavelength:
13.3 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77413(52)
Wavelength Counter Multiplier:
2
Unmounted equivalent grating (page):
77917/77918(64)
Primary Wavelength Region':
180-500 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
26
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD. CT, U.S.A. 06497 - TEL: (203) 377-8282 « FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77308 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
1
1
^
- ^ ,
90
1
REFLECTANCE
OF ALUMINUM
1
1
^
^
~
-
•
•
^
ryr\\ A n r - r i - m
80
1 - r r \ r>.T-\^r\\ i r - c
(S-PLANE)
(P-PLANE)
70
g
60
- -r/-\---- ^
V
o
t
50
I
1
1
1
LU
LU
>
3
40
DC
1
1
\
!\
i \
1
1
1.8
2.0
2.2
^^,^-
1 \|
LU
1
\
1
:
\
1
\ .
1
30
20
I
\
ORIEL
INSTRUMENTS
10
^»
" - ^ ^
01
0.2
0.3
0.4
0.5
0.6
_
' — _^
0.7
0.8
0.9
1.0
1.2
1.4
1.6
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
180-500 nm*
Line Density:
2400 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
250 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77740(13)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77230 (40)
Reciprocal Dispersion at Blaze Wavelength:
3.3 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77419(53)
Wavelength Counter Multiplier:
0.5
Unmounted equivalent grating (page):
77901/77902 (65)
Primary Wavelength Region':
200-500 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
'The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating In this cataiog CALL (203) 377-8282
27
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77296 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
100
:
•
.. _ .
....
^^^
REFLECTANCE
y ~ OF ALUMINUM
•
-.
i
^"^'•"^•..
! _
1
y
/
POLARIZED ± T 0 GROOVES
\
^^-TLMINC;
•
-
(P-PLANE)
1
"••"
•
•
-
-
-
:
—
•
-
•
-1
i
- • •
-
O
z
i
LU
O
50
_
.
v__
\
\
\
30
i
-
\
\
1
1
;
1
1
\
1
1
1
\
1
j
/
1
/
IS
!
1
;
^
INST R U M E N T S
08
0.5
0.9
1.0
1.2
2.0
WAVELENGTH (^m)
SPECIFICATIONS
1200 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
Line Density:
250 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77741 (14)
175-1000 nm
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77231 (41)
Reciprocal Dispersion at Blaze Wavelength:
6.7 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77410(54)
Wavelength Counter Multiplier:
1
Unmounted equivalent grating (page):
77907/77908 (66)
Primary Wavelength Region':
180-650 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
28
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe.com
GRATING ASSEMBLY: 77298 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
<
LU
DC
0.9
1.0
WAVELENGTH (^m)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
350 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77742(15)
180-1000 nm*
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77233 (42)
Reciprocal Dispersion at Blaze Wavelength:
6.6 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77411 (57)
Wavelength Counter Multiplier:
1
Unmounted equivalent grating (page):
77909/77910(69)
Primary Wavelength Region':
200-1000 nm+
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating in this cataiog CALL (203) 377-8282
29
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77309 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR/SPECTROGRAPH
100
REFLECTANCE
[
OF ALUMINUM ^ X
_•__]
L.>v___
.
^
90
80
"
""/
i
'i
9
Li.
Li.
UJ
LU
^
^^>>
i
i ^ " " ^
;""
i
POLARIZED _LTO GROOVES i
(C3-rLMrNt)
. 1
1 """""""
1
(P-PLANE)
1
;
1
- / \
;
/
;
!
1
•
^
\
1
\ 1
1
1
1
\
1
1
50
40
1
k
1
60
30
,
/
>
OJ
DC
|
^
•
V
/
/
>
o
'
L \ /
i
70
1
•
'\
1
1
i
\
\
—
J
•
-
/
-
—
-
1
20
i
\''
10
1
y-.
V.I
0.2
N
i ^ ^
1
0
01
i
•
ORIEL
I N S T R U M E I VTS
0.3
0.4
0.5
0.6
'
1
0.7
0.8
s\
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
1800 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
500 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 7 7 7 5 3 ( 1 8 )
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77253 (43)
Reciprocal Dispersion at Blaze Wavelength:
4.1 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77421 (60)
Wavelength Counter Multiplier:
0.66
Unmounted equivalent grating (page):
77905/77906 (74)
Primary Wavelength R e g i o n ' :
300-750 n m *
250-750 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%,
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
30
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
GRATING ASSEMBLY: 77306 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
o
0.8
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
400-1000 nm*
Blaze Wavelength:
750 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77752(19)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77229 (45)
Reciprocal Dispersion at Blaze Wavelength:
6.2 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77412(62)
Wavelength Counter Multiplier:
1
Unmounted equivalent grating (page):
77913/77914(78)
Primary Wavelength Region':
450-1000 nm*^
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating in this catalog CALL (203) 377-8282
31
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77305 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
REFLECTANCE
OF ALUMINUM
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
" ^
V:
30
-
\
-
-
-
'
•
^
N:
^
•'~-~^-.
ORIEL
^
\
>'
INSTRUMENTS
0.3
0.4
0.5
0.9
1.0
1.2
1.4
1.8
2.0
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
750 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77243 (46)
400-2000 nm*
Reciprocal Dispersion at Blaze Wavelength:
13.2 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77415(63)
Wavelength Counter Multiplier:
2
Unmounted equivalent grating (page):
77925/77926 (79)
Primary Wavelength Region':
450-2000 nm+
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
32
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT, U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUsen/e.com
GRATING ASSEMBLY: 77299 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
j
REFLECTANCE
' ^ f".
\ y ~
OF ALUMINUM
i
if
^
j
POLARIZED ± T 0 GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
1
60
o
t
50
\
j
>
\
-: - ^ - / - f -^\
\
/
i
\ i
•
\
/
/ y
^^
0.2
:
0.4
SPECIFICATIONS
0.5
i
/ /
0.6
/ /- .
/
^
•
•
\
:
^ ^ r i 1- ' ^
f
\
'
-v
\
30
i
"v V
1
1
1
—
\
s
-^ - - i ^NV \
1
-s
1
^
^>>___
1
.-.^
1
- ^
/
- 7
0.7
-
0.8
:
0.9
: " " "1.0
^
ORI^t
1
1
1
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
WAVELENGTH (^im)
-
INSTRUMENTS
Line Density:
600 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
1000 nm
77700-Series Monochromator/Spectrograph equivalent grating (page): 77745 (20)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77234 (47)
Reciprocal Dispersion at Blaze Wavelength:
13 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
2
Unmounted equivalent grating (page):
77927/77928 (82)
Primary Wavelength R e g i o n ' :
600-2000 n m *
550-2000 nm*
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%,
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further Information on any grating in this catalog CALL (203) 377-8282
33
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77307 1/8 m Monochromator Grating
1
1
90
-
-—-JL
^y '
:
REFLECTANCE
OF ALUMINUM
- y;^
- -y-
so
—
-
-
•
•
'
•
•
•
h f - --••
-
60
/
1
1
S
LU
>
50
1
!
40
:
/i
1
- -
1—
1
1
_
10
1
0.1
0.2
0.3
0.4
0.5
\
-
\
._.. .
:
j
-
•
•
—
-
1
i
/
1
ORIEL
INSTRUMENTS
1
1
...
. . \
/
1
i \
"\ \
- i / - l -"
20
....
i
i
-i/r-n-
i
30
/
/
- -
—
'x
(
Li-
j ^
POLARIZED ±TO GROOVES
(S-PLANE)
LU
O
i
;
;
70
>
/ ""
0.6
1
i•
11
0.7
0.8
0.9
1
1
1.0
1.2
1.4
16
1.8
2.0
2.2
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
200 I/mm
Usable Wavelength Region^:
550-2400 nm
Blaze Wavelength:
1000 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77749 (21)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77244 (48)
Reciprocal Dispersion at Blaze Wavelength:
40 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
6
Unmounted equivalent grating (page):
77945/77946 (83)
Primary Wavelength Region':
600-2200 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
34
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 . ELECTRONIC MAIL: 73163.1321@comDusen/e.com
GRATING ASSEMBLY: 77300 1/8 m Monochromator Grating
REFLECTANCE
OF ALUMINUM
fl-
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
f
•f
u
z
UJ
o
I...-,..
ff
4INSTRUMENTS
0.1
0.2
0.4
0.5
0.8
0.9
L
I
1.0
1.2
. I
I
I
1.6
1.8
2.2
2.4
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
300 I/mm
Usable Wavelength Region^:
1000-4000 nm
Blaze Wavelength:
2000 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77748 (23)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77235 (49)
Reciprocal Dispersion at Blaze Wavelength:
26 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
4
Unmounted equivalent grating (page):
77941/77942 (85)
Primary Wavelength Region':
1100-3400 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further Information on any grating in this catalog CALL (203) 377-8282
35
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77301 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
100
1
1
1
1
:
1
1
90
/
i
\
- \
i
V -!
:/
1
!
i
py-))
80
70
/
60
>o
z
LU
/
50
\
A D ( 7 P n 1 X/-V r^Dy-»>^WCO
: --
!
(P-PLANE)
i
\'
'
1 \ -V
O
^
Li_
LiLU
\
1
\
40
^
. ...
""
30
/
20
1 •
\
10
:
1
i
i
i
6
7
I
-
ORIEL
\
INSTRUMENTS
\
2
3
4
5
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
150 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
4nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77750 (24)
2.5-8 nm*
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77236 (50)
Reciprocal Dispersion at Blaze Wavelength:
52 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
8
Unmounted equivalent grating (page):
77947/77948 (86)
Primary Wavelength Region':
2.5-8 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
36
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 « ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77302 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
100
u/V-:-
90
80
70
.__. .:_ .../Tf
^ .
\
\
/
60
/ >
o
z
LU
O
U_
Li_
LU
•- -' - •-
i
1
1
1
POLARIZED 1TO GRCX3VES
i
1
'
(P-PLANE)
1
1
1
22
23
\
50
i
\
40
1
!
i
|W
30
I
..
^
^
!
:
1
;
I
-
-
^ ^
- \
y
~ ^
-^
^
' • • •
i
20
ORIEL
10
L^
INSTRUMENTS
•
3
4
5
6
7
8
9
10
11
12
13
^
i
1
14
!
15
16
17
18
19
20
21
24
25
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
75 I/mm
Usable Wavelength Region^:
4.5-16 nm*
Blaze Wavelength:
7|im
77700 Series Monochromator/Spectrograph equivalent grating (page): 77751 (25)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77237 (51)
Reciprocal Dispersion at Blaze Wavelength:
105 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
16
Unmounted equivalent grating (page):
77951/77952 (88)
Primary Wavelength Region':
4.5-16 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating in this catalog CALL (203) 377-8282
37
1/8 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77303 1/8 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
1
!
!
:
1
i
1
!
1
'
/
/
\
_
'
;
'
1
LiLiLU
;
:
;
:
(S-PLANE)
(P-PLANE)
1
1
1
'
1
1
'
•
\
!
^
/
\
\
N^
,___^^
i _____
j
1
/A
1
/ /
\
X
« /
/
10
- --
^-Kj"-
1
50
!
1
Vr
\
r/
o
m
O
/
r
1
i/l
1
1
;•
J
V
•^^
1
\
1
O
RIEL
INSTRUMENTS
1
X
>
1
1
10
11
12
13
14
15
16
17
18
19
20
22
X
23
24
25
WAVELENGTH (pm)
SPECIFICATIONS
6.5-24 nm
Line Density:
50 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
11 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Reciprocal Dispersion at Blaze Wavelength:
157 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
24
Unmounted equivalent grating (page):
77953/77954 (89)
Primary Wavelength Region':
7-23 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
38
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
1/4 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77239 1/4 m Monochromator Grating
POLARIZED J.TO GROOVES
(S-PLANE)
80
-r60
t
50
20
INSTRUMENTS
I
0.1
0.2
0.3
0.4
0.6
0.8
0.9
1.0
1.2
WAVELENGTH (tim)
SPECIFICATIONS
175-700 nm
Line Density:
600 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
200 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77743(12)
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page);
77304 (26)
Reciprocal Dispersion at Blaze Wavelength:
6.4 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77413(52)
Wavelength Counter Multiplier:
2
Unmounted equivalent grating (page):
77917/77918(64)
Primary Wavelength Region':
180-500 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
39
1/4 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77230 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
100
1
i
•
1
REFLECTANCE
y ~ OF ALUMINUM
-C.^
1
1
1
]
"
^
-
/r
^
/ / "x;^^
"
/
LARIZED ±TOGRO(3VES
(S-PLANE)
_ 1 _/____. i\..
f\
o
it
r
I
50
•\
\
\
i
\
i:
1
\
(P-PLANE)
1
1
^^^ *
1
\
l
30
1
1
!
^
1
\
\
1
1
\ \
\
ORI^L
INSTRUMENTS
'".^
0.3
0.9
1.0
1.2
1.8
WAVELENGTH (\xm)
SPECIFICATIONS
Line Density:
2400 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
250 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77740 (13)
Type:
Holographic
77250 1/8 m Monochromator equivalent grating (page):
77308 (27)
Reciprocal Dispersion at Blaze Wavelength:
1.4 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77419 (53)
Wavelength Counter Multiplier:
0.5
Unmounted equivalent grating (page):
77901/77902 (65)
Primary Wavelength Region':
200-600 nm*
180-600 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
40
250 LONG BEACH BLVD., P,0, BOX 872. STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDUsen/e.com
GRATING ASSEMBLY: 77231 1/4 m Monochromator Grating
REFLECTANCE
90
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
O
\t
50
/.
40
INSTRUMENTS
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
1.6
1.8
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
250 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77741 (14)
Type:
Holographic
77250 1/8 m Monochromator equivalent grating (page):
175-1000 nm
77296 (28)
Reciprocal Dispersion at Blaze Wavelength:
3.1 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77410 (54)
Wavelength Counter Multiplier:
1
Unmounted equivalent grating (page):
77907/77908 (66)
Primary Wavelength Region':
180-650 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further Information on any grating in this catalog CALL (203) 377-8282
41
1/4 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77233 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
1
V ^
-
- — :
^^,
- ^
/
1
REFLECTANCE
OF ALUMINUM
/H
1
1
-~
I
f
.
o
It
/
—
/ r>
1
\
\t
•\'\f
POLARIZED ± T 0 GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
1
1
1
/
50
/
1/
^
/
/ :
:
\
- \
^
:
-
-fr- :- -^-k
:
-
'
-
ORIEL
INSTRUMENTS
" " " - •
•-^^_
0.6
0.8
0.9
1.0
1.8
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
350 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77742 (15)
180-1200 nm*
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77298 (29)
Reciprocal Dispersion at Blaze Wavelength:
3 nm'mm
77400 1/8 m Spectrograph equivalent grating (page):
77411 (57)
Wavelength Counter Multiplier:
1
Unmounted equivalent grating (page):
77909/77910 (69)
Primary Wavelength Region':
200-1200 nm+
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
42
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDUserve.com
GRATING ASSEMBLY: 77253 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
100
i:
REFLECTANCE
OF ALUMINUM
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
t
50
40
10
V
^
0.5
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1800 I/mm
Usable Wavelength Region^:
250-900 nm+
Blaze Wavelength:
500 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77753(18)
Type:
Holographic
77250 1/8 m Monochromator equivalent grating (page):
77309 (30)
Reciprocal Dispersion at Blaze Wavelength:
1.7 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77421 (60)
Wavelength Counter Multiplier:
0.66
Unmounted equivalent grating (page):
77905/77906 (74)
Primary Wavelength Region':
300-900 nm+
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating in this catalog CALL (203) 377-8282
43
1/4 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77240 1/4 m Monochromator Grating
POLARIZED AT 45
o
t
50
40
0.2
0.3
0.8
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
400 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
500 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
270-1600 nm
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page):
N/A
Reciprocal Dispersion at Blaze Wavelength:
9.4 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77417(61)
Wavelength Counter Multiplier:
3
Unmounted equivalent grating (page):
77931/77932 (77)
Primary Wavelength Region':
300-1200 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
44
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT, U.S.A. 06497 - TEL: (203) 377-8282 « FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77229 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
80
>-
60
O
t
50
o
0.8
0.9
1.0
1.2
WAVELENGTH (|jm)
SPECIFICATIONS
Line Density:
1200 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
750 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) 77752(19)
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77306(31)
400-1200 nm+
Reciprocal Dispersion at Blaze Wavelength:
2.5 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77412(62)
Wavelength Counter Multiplier:
1
Unmounted equivalent grating (page):
77913/77914(78)
Primary Wavelength Region':
450-1200 nm*
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating In this catalog CALL (203) 377-8282
45
1/4 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77243 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
0.1
0.2
2.4
2.6
SPECIFICATIONS
Line Density:
600 I/mm
Usable Wavelength Region^:
400-2400 nm+
Blaze Wavelength:
750 nm
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77305 (32)
Reciprocal Dispersion at Blaze Wavelength:
6 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
77415(63)
Wavelength Counter Multiplier:
2
Unmounted equivalent grating (page):
77925/77926 (79)
Primary Wavelength Region':
450-2400 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
46
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 . TEL: (203) 377-8282 « FAX: (203) 378-2457 « ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77234 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
100
90
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
\
70
X-
O
z
LU
a
': \
\\
\
\
30
X
I
20
0.8
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
600 I/mm
Usable Wavelength Region^;
Blaze Wavelength:
1000 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77745 (20)
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page);
Reciprocal Dispersion at Blaze Wavelength;
5.7 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
2
Unmounted equivalent grating (page):
77927/77928 (82)
Primary Wavelength Region':
600-2400 nm+
550-2400 nm+
77299 (33)
' W a v e l e n g t h region where the grating efficiency is > 2 0 % .
W a v e l e n g t h region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further Information on any grating In this catalog CALL (203) 377-8282
47
O
R
I
E
L
GRATING ASSEMBLY: 77244 1/4 m Monochromator Grating
1/4 m MONOCHROMATOR GRATINGS
1
EFLECTANCE
F ALUMINUM
1
^
—
J^"*"^
" ^
y
I
I
I
:
!
:
'
/
,
/
50
\
~
—
•
___ _._
LARIZED J.TO GROOVES
(S-PLANE)
i
1
K1
i
N 1
i
•
•• c '..:~T' .,.._
•' \
IT
o
zUJ
o
-
\
\
\
i
1
\
.._._!
•
\
^
-
1
1
:
i
1
j
1
]
1
i
/ T - 1-
:,., r .L: ,,./
\
—
...
i
ORI^L
INSTRUMENTS
1
!
03
0.8
0.6
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
200 I/mm
Usable Wavelength Region^;
Blaze Wavelength:
1000 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77749 (21)
550-2400 nm
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77307 (34)
Reciprocal Dispersion at Blaze Wavelength:
18.9 nm/mm
77400 1/8 m Spectrograph equivalent grating (page);
N/A
Wavelength Counter Multiplier:
6
Unmounted equivalent grating (page);
77945/77946 (83)
Primary Wavelength Region':
600-2200 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
48
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD. CT. U.S.A. 06497 . TEL: (203) 377-8282 • FAX: (203) 378-2457 . ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77235 1/4 m Monochromator Grating
REFLECTANCE
OF ALUMINUM
I
80
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
O
z
UJ
o
50
INSTRUMENTS
0.1
0.2
0.3
0.4
0.5
i
I
I
I
0.6
i
0.8
0.9
1.0
1.2
1.8
2.0
2.2
2.4
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
300 I/mm
Usable Wavelength Region^;
Blaze Wavelength:
2000 nm
77700 Series Monochromator/Spectrograph equivalent grating (page); 77748 (23)
1000-4000 nm
Type;
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77300 (35)
Reciprocal Dispersion at Blaze Wavelength;
11.4 nm/mm
77400 1/8 m Spectrograph equivalent grating (page);
N/A
Wavelength Counter Multiplier:
4
Unmounted equivalent grating (page):
77941/77942 (85)
Primary Wavelength Region':
1100-3400 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
49
1/4 m MONOCHROMATOR GRATINGS
GRATING ASSEMBLY: 77236 1/4 m Monochromator Grating
i
90
I
f\
1
m
o
•
-
•
i
•
•
i
'V
h
1
>
o
]
1
1
• 1
ss
1
i
-
/
80
1
^\!
1
• •
i'
. . . . .
.
\1
\
j
•
\
i
1
j
1
(P-PLANE)
.
.
,
1
,
1
.
\
;
'
1
^
'
1
i
1
'\
\
50
(S-PLANE)
'
i
\
.
1
'
: \
/
.
1
1
I
1
;
1
LL
LL
•
LU
•
1
i
•
•
1
•-^
•
•
-
;
•
-•
-
•
40
j
1
•
i
/
20
\
1
-
•-
••: -
V -
-\-f
-;•
•-
•
•:•
;••
1 -
•
•
\
i
.
1
.1 :
4
.]
A
1
3
5
6
7
8
"
1
\ L
INSTRUMENTS :
2
•
9
10
11
12
13
14
15
1
16
17
18
.
19
20
'.
21
22
23
24
25
W A V E L E N G T H (^m)
SPECIFICATIONS
Line Density:
150 I/mm
Usable Wavelength Region^:
Blaze Wavelength:
4nm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77750 (24)
Type;
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77301 (36)
Reciprocal Dispersion at Blaze Wavelength:
23 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
8
Unmounted equivalent grating (page):
77947/77948 (86)
Primary Wavelength Region';
2.5-9 nm
2.5-9.5 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
50
250 LONG BEACH BLVD.. P.O. BOX 872. STRATFORD, CT. U.S,A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163,1321@comDUserve.com
GRATING ASSEMBLY: 77237 1/4 m Monochromator Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF MONOCHROMATOR
1
1
!
1
.
1
1
i
1
;
A
7
i
IZED _LTO GROOVES
(S-PLANE)
7^
(P-PLANE)
70
•
/
/1^^
1
1
1
1
/
:
LU
O
!
50
i
•
:
.
\
^
y
30
//1
ORIEL
/ /
"^
; INSTRUMENTS
\
12
13
14
15
19
20
21
22
24
25
WAVELENGTH (\im)
SPECIFICATIONS
Line Density;
75 I/mm
Usable Wavelength Region^:
4,5-19.2 nm*
Blaze Wavelength:
7nm
77700 Series Monochromator/Spectrograph equivalent grating (page); 77751 (25)
Type:
Ruled
77250 1/8 m Monochromator equivalent grating (page):
77302 (37)
Reciprocal Dispersion at Blaze Wavelength;
47 nm/mm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Wavelength Counter Multiplier:
16
Unmounted equivalent grating (page):
77951/77952 (88)
Primary Wavelength Region':
4.5-19.2 nm+
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the monochromator.
For further information on any grating in this catalog CALL (203) 377-8282
51
ORIEL
1/8 m SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77413 1/8 m Spectrograph Grating
.
i
y ^
y^~^
REFLECTANCE
OF ALUMINUM
1
i
^ J
^^"^
~^—
-
1
^
'
i
:
1
POLARIZED I T O GROOVES
(S-PLANE)
1
I
I
\
1
:
••
F
1
o
It
i
1
_
50
\
_ .
1
i
^
i
i
\
i
\
\i
....
i
..
i
-
-
...
^
o RIEL
I N S TRUMENTS
" \
j
0.1
0.2
0.3
0.4
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
Blaze Wavelength:
Type;
Primary Wavelength R e g i o n ' :
180-500 nm
200 nm
Usable Wavelength Region^:
175-700 nm
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) 77743(12)
Reciprocal Dispersion at Blaze Wavelength:
13.3 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
77304 (26)
Array Bandpass (For a 25 m m Spectrographic Field);
337 nm
77200 1/4 m Monochromator equivalent grating (page);
77239 (39)
Micrometer Conversion Multiplier:
200 nm/mm
Unmounted equivalent grating (page):
77917/77918(64)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
52
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77419 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
1
i
1
• —
r^
^
•
'
REFLECTANCE
OF ALUMINUM
1
1
—
^ ^
->4\A
POLARIZED ±TO GROOVES
(P-PLANE)
/
1
^
f\
\
\
^
i
V
T -^-_
o
it
50
LU
LU
>
—1
An
1
1
1
1
\
\
\
•
^
1
1
1
'
\
1
11
1
\
20
o RIEL
ms
N
^^^ ' ^
TRUMENTS
1
""-->•>
'^**^^
0.8
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
2400 I/mm
Primary Wavelength Region':
200-625 nm+
Blaze Wavelength:
250 nm
Usable Wavelength Region^:
180-625 nm+
Type:
Holographic
77700 Series Monochromator/Spectrograph equivalent grating (page) 77740(13)
Reciprocal Dispersion at Blaze Wavelength:
3.0 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
77308 (27)
Array Bandpass (For a 25 mm Spectrographic Field):
76 nm
77200 1/4 m Monochromator equivalent grating (page);
77230 (40)
Micrometer Conversion Multiplier;
50 nm/mm
Unmounted equivalent grating (page):
77901/77902(65)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the spectrograph.
For further information on any grating In this catalog CALL (203) 377-8282
53
1/8 m SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77410 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
0.9
1.0
1.2
2.0
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1200 I/mm
Primary Wavelength Region':
180-650 nm
Blaze Wavelength:
250 nm
Usable Wavelength Region^:
175-1000 nm
Type;
Holographic
/ / /OO Series Monochromator/Spectrograph equivalent grating (page) 77741 (14)
Reciprocal Dispersion at Blaze Wavelength;
6.5 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
77296 (28)
Array Bandpass (For a 25 mm Spectrographic Field):
164 nm
77200 1/4 m Monochromator equivalent grating (page);
77231 (41)
Micrometer Conversion Multiplier:
100 nm/mm
Unmounted equivalent grating (page):
77907/77908 (66)
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
54
250 LONG BEACH BLVD., P.O, BOX 872, STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 . FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@camDuserve.com
GRATING ASSEMBLY: 77422 1/8 m Spectrograph Grating
100
1
:
:
1
: ^ ^
REFLECTANCE
OF ALUMINUM
'
•
I
I
!
•
^
i
1
!
!
-'--
90
-•
70
>LU
O
Li_
Ll.
UJ
LU
/ - \ - . - -
i
-J- |-\.
60
1
50
>
UJ
- - 4
1 \ \
1
....^^^,_
:
-
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
....-
i-- -4
i
_.„
'
1
80
-
1
' •
1
:
^
'
+.,„ ,^,„_, |.._..
I
i
1
!
1
1
1
i
40
.j..
30
. _. L
1
20
10
MsntUMeNTS
:
^
:
^••t.
1
}-. . .
^=1=
1
1
1
':
!
1.4
1.6
1.8
2.0
2.2
0
01
0.2
03
0.4
0:5
0.6
07
O.B
0.9
1,0
1.2
2.4
2.6
WAVELENGTH (jim)
SPECIFICATIONS
Line Density;
300 I/mm
Primary Wavelength Region':
200-750 nm
Blaze Wavelength;
300 nm
Usable Wavelength Region^:
180-1000 nm
Type;
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Reciprocal Dispersion at Blaze Wavelength:
26.8 nm/mm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Array Bandpass (For a 25 mm Spectrographic Field):
681 nm
77200 1/4 m Monochromator equivalent grating (page):
N/A
Micrometer Conversion Multiplier:
400 nm/mm
Unmounted equivalent grating (page);
77937/77938 (68)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
55
1/8 m SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77416 1/8 m Spectrograph Grating
REFLECTANCE
OF ALUMINUM
I
90
L...
POLARIZED AT 45°
~
O
60
zUJ
o
t
/
50
\
7
LU
LU
>
30
\/^.
i
'
I
ORIEL
INSTRUMENTS
0.9
1.0
2.6
WAVELENGTH (^m)
SPECIFICATIONS
Line Density:
400 I/mm
Primary Wavelength Region';
200-800 nm
Blaze Wavelength;
350 nm
Usable Wavelength Region^;
180-1100 nm
Type;
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Reciprocal Dispersion at Blaze Wavelength:
20 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrographic Field):
507 nm
77200 1/4 m Monochromator equivalent grating (page):
N/A
Micrometer Conversion Multiplier:
300 nm/mm
Unmounted equivalent grating (page);
77929/77930 (70)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
56
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe.com
GRATING ASSEMBLY: 77411 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
0.9
1.0
WAVELENGTH (|jm)
SPECIFICATIONS
Line Density:
1200 I/mm
Blaze Wavelength:
Primary Wavelength Region':
200-1250 nm+
180-1250 nm+
350 nm
Usable Wavelength Region^;
Type;
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) 77742(15)
Reciprocal Dispersion at Blaze Wavelength:
6.3 nm/mm
77250 1/8 m Monochromator equivalent grating (page);
77298 (29)
Array Bandpass (For a 25 mm Spectrographic Field):
160 nm
77200 1/4 m Monochromator equivalent grating (page):
77233 (42)
Micrometer Conversion Multiplier:
100 nm/mm
Unmounted equivalent grating (page);
77909/77910(69)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the spectrograph.
For further information on any grating in this catalog CALL (203) 377-8282
57
1/8 m SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77414 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
POLARIZED ± TO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
ll
> •
o
_\
m
.\__
40
N
Vi
-'/
20
INSTRUMENTS
_L
0.2
0.8
0.9
1.0
1.2
1.6
1.8
2.0
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
600 I/mm
Primary Wavelength Region';
250-1300 nm
250-1600 nm
Blaze Wavelength;
400 nm
Usable Wavelength Region^:
Type;
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) 77744(16)
Reciprocal Dispersion at Blaze Wavelength:
13.1 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrographic Field);
332 nm
77200 1/4 m Monochromator equivalent grating (page);
N/A
Micrometer Conversion Multiplier:
200 nm/mm
Unmounted equivalent grating (page);
77921/77922(72)
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
58
250 LONG BEACH BLVD.. P.O. BOX 872. STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve,com
GRATING ASSEMBLY: 77420 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
o
zUJ
o
0.9
1.0
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
2400 I/mm
Primary Wavelength Region':
230-625 nm+
Blaze Wavelength;
400 nm
Usable Wavelength Region^:
200-625 nm+
Type;
Holographic
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Reciprocal Dispersion at Blaze Wavelength;
2.6 nm/mm
77250 1/8 m Monochromator equivalent grating (page);
Array Bandpass (For a 25 mm Spectrographic Field);
65 nm
77200 1/4 m Monochromator equivalent grating (page):
N/A
Unmounted equivalent grating (page):
77903/77904(71)
Micrometer Conversion Multiplier:
50 nm/mm
N/A
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the spectrograph.
For further information on any grating in this cataiog CALL (203) 377-8282
59
1/8 m SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77421 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
REFLECTANCE
OF ALUMINUM
POLARIZED ± T 0 GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
70
o
z
UJ
20
lEL
INSTRUMENTS
0.5
0.8
0.9
1.0
1.2
WAVELENGTH (^m)
SPECIFICATIONS
Line Density;
1800 I/mm
Primary Wavelength Region':
300-837 nm*
Blaze Wavelength:
500 nm
Usable Wavelength Region^:
250-837 nm+
Type;
Holographic
77700 Series Monochromator/Spectrograph equivalent grating (page) 77753(18)
Reciprocal Dispersion at Blaze Wavelength:
3.5 nm/mm
77250 1/8 m Monochromator equivalent grating (page);
77309 (30)
Array Bandpass (For a 25 mm Spectrographic Field);
90 nm
77200 1/4 m Monochromator equivalent grating (page):
77253 (43)
Micrometer Conversion Multiplier:
67 nm/mm
Unmounted equivalent grating (page):
77905/77906 (74)
'Wavelength region where the grating efficiency is > 2 0 % .
W a v e l e n g t h region where the grating efficiency is >10%.
+The wavelength region is limited at the long wavelength end by the mechanical constraints of the spectrograph.
60
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDuserve.com
GRATING ASSEMBLY: 77417 1/8 m Spectrograph Grating
100
REFLECTANCE
80
POLARIZED AT 45"
60
O
\t
50
!
I
30
20
ORIEL
/
INSTRUMENTS
/
09
0.8
1.0
1.2
1.6
WAVELENGTH (jim)
SPECIFICATIONS
Line Density:
400 I/mm
Primary Wavelength Region':
300-1200 nm
Blaze Wavelength:
500 nm
Usable Wavelength Region^:
270-1600 nm
Type;
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Reciprocal Dispersion at Blaze Wavelength;
19.8 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Array Bandpass (For a 25 mm Spectrographic Field);
502 nm
77200 1/4 m Monochromator equivalent grating (page):
77240(44)
Micrometer Conversion Multiplier:
300 nm/mm
Unmounted equivalent grating (page);
77931/77932 (77)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further Information on any grating in this cataiog CALL (203) 377-8282
61
ORIEL
1/8 m SPECTROGRAPH GRATINGS
GRATING ASSEMBLY: 77412 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
<
LU
cn
0.8
0.9
1.0
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
1200 I/mm
Blaze Wavelength;
Type;
Primary Wavelength Region':
450-1250 nm+
750 nm
Usable Wavelength Region^:
400-1250 nm*
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) 77752(19)
Reciprocal Dispersion at Blaze Wavelength;
5.3 nm/mm
77250 1/8 m Monochromator equivalent grating (page);
77306(31)
Array Bandpass (For a 25 mm Spectrographic Field):
135 nm
77200 1/4 m Monochromator equivalent grating (page);
77229 (45)
Micrometer Conversion Multiplier:
100 nm/mm
Unmounted equivalent grating (page);
77913/77914(78)
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the spectrograph.
62
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe.com
GRATING ASSEMBLY: 77415 1/8 m Spectrograph Grating
SHADED AREA IS BEYOND MECHANICAL
LIMIT OF SPECTROGRAPH
REFLECTANCE
OF ALUMINUM
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
--^>S:
i~A
V
50
40
\
\N
I
;
N
X
\: .-.
\
y
INSTRUMENTS
0.1
0.2
0.3
0.4
0.5
0.5
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
600 I/mm
Primary Wavelength Region':
450-2500 nm*
Blaze Wavelength:
750 nm
Usable Wavelength Region^:
400-2500 nm*
Type:
Ruled
77700 Series Monochromator/Spectrograph equivalent grating (page) N/A
Reciprocal Dispersion at Blaze Wavelength:
12.7 nm/mm
77250 1/8 m Monochromator equivalent grating (page):
77305 (32)
Array Bandpass (For a 25 mm Spectrographic Field):
322 nm
77200 1/4 m Monochromator equivalent grating (page);
77243(46)
Micrometer Conversion Multiplier:
200 nm/mm
Unmounted equivalent grating (page);
77925/77926 (79)
' W a v e l e n g t h region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
*The wavelength region is limited at the long wavelength end by the mechanical constraints of the spectrograph.
For further information on any grating in this catalog CALL (203) 377-8282
63
UNMOUNTED GRATINGS
77917 (30 X 30 X 3 mm) and 77918 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
90
POLARIZED _LTO GROOVES
(S-PLANE)
80
70
60
T
t
O
It
50
>
fee
ORIEL
INSTRUMENTS
0.1
0.2
03
0.4
0.7
0.8
0.9
1.0
1.2
1.6
1.8
2.0
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
600 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); 77743 (12)
Blaze Wavelength:
200 nm
77250 1/8 m Monochromator equivalent grating (page):
77304 (26)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77239 (39)
Primary Wavelength Region'
180-500 nm
77400 1/8 m Spectrograph equivalent grating (page):
77413 (52)
Usable Wavelength Region^;
175-700 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
64
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
77901 (30 X 30 X 3 mm) and 77902 (50 x 50 x 6 mm) Gratings
i
'
REFLECTANCE
- ^ OF ALUMINUM
I
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
60
O
it
50
>
0.1
0.9
1.0
2.0
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
2400 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77740 (13)
Blaze Wavelength:
250 nm
77250 1/8 m Monochromator equivalent grating (page):
77308 (27)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77230 (40)
Primary Wavelength Region':
200-750 nm
77400 1/8 m Spectrograph equivalent grating (page):
77419 (53)
Usable Wavelength Region^;
180-800 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
For further information on any grating In this catalog CALL (203) 377-8282
65
UNMOUNTED GRATINGS
77907 (30 X 30 x 3 mm) and 77908 (50 x 50 x 6 mm) Gratings
i
REEFLECTANCE
F ALUMINUM
1
1
1
_
1
90
A
'
—:
—
.- -
L.^^
!
'
^
'
•
'
~
^
—
^
POLARIZED ± T O GROOVES
POLARIZED II TO GROOVES
(P-PLANE)
^
E
\ \
1
60
\h
50
AAj^
>
\
1
I
I
\
. :..-..
'
_ 1
1
j
1
11
""
1
i /
i
....
\ / ' ^
^^^
__._^
- ORI^L
""s
INSTRUMENTS
— _^
«/
- -—
:
—
-•->_,_
1
i
0.3
0.4
0.5
0.8
0.9
1.0
1.2
1.6
1.8
WAVELENGTH (pm)
SPECIFICATIONS
Line Density;
1200 I/mm
Blaze Wavelength;
77700 Series Monochromator/Spectrograph equivalent grating (page); 77741 (14)
250 nm
77250 1/8 m Monochromator equivalent grating (page):
77296 (28)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page);
77231 (41)
Primary Wavelength Region';
180-650 nm
77400 1/8 m Spectrograph equivalent grating (page):
77410 (54)
Usable Wavelength Region^:
175-1000 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
66
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT, U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
77919 (30 X 30 X 3 mm) and 77920 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
90
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
O
it
50
40
2.2
2.4
SPECIFICATIONS
Line Density:
600 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
Blaze Wavelength:
300 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type;
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region':
250-850 nm
77400 1/8 m Spectrograph equivalent grating (page);
N/A
Usable Wavelength Region^:
250-1400 nm
' W a v e l e n g t h region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
67
UNMOUNTED GRATINGS
77937 (30 X 30 X 3 mm) and 77938 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
I
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
it
50
UJ
UJ
>
^
a:
'to
JN
0.1
0.2
0.3
0.4
0.5
08
0.9
1.0
1.2
1.6
1.8
2.4
2.6
WAVELENGTH (^im)
SPECIFICATIONS
Line Density;
300 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
Blaze Wavelength:
300 nm
77250 1/8 m Monochromator equivalent grating (page);
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region':
200-750 nm
77400 1/8 m Spectrograph equivalent grating (page):
77422 (55)
Usable Wavelength Region^:
180-1000 nm
N/A
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
68
250 LONG BEACH BLVD., P.O, BOX 872, STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 . FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDUserve.com
77909 (3Ox 30 X 3 mm) and 77910 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
y
:
I
|
•
;
^ ^
70
g
60
li-
50
1
^
^"^^--i ^
-.- : ,^ -/-/l/ ,1
LU
1/ / 1
>
40
-
: "
-
\:\ - W
V
,\
r
/
V
-;1
'
1
- \ - •:
^
:
•
\
30
'
'
I
yO
/
-
^
1
10
-(
r
.. O R I ^ L
--
-..
i
0.1
0.2
0.4
0.5
-.
0.7
•
• •--
i
;
;
;
I
/
r—-^.''.
;
--
-
•
-
1
!
-
•..^.:^.. ....-
i
0.6
:
/
.
' " " - - -
0.8
0.9
1.0
i
_.. ..|_..
. 1
1.2
1.4
.__:
1.6
..... . .
I
.. ._-. 1
^
"*" "^ •* -»
0.3
1
' /
/
J.
'
0
1
•
1
--•^-^~-~:'-
. >- -
INSTRUMENTS
j
.
20
•
1
1
X^--N^
—-
(S-PLANE)
- - POLARIZED II TO GROOVES
(P-PLANE)
.-.-
\ ^
i
i
"" i
nj \ ' \ i ' \ \ -
UJ
OJ
CE
/
i
':m\:.:f-\ ::;.
80
>o
z
\
•
i
90
/ ^
^
1
i
1
1 •
1.8
1
_..
j
!
1
:
1
.
•
2.0
2.2
2.4
i
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
1200 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77742 (15)
Blaze Wavelength:
350 n m
77250 1/8 m Monochromator equivalent grating (page);
Type;
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77233 (42)
Primary Wavelength R e g i o n ' ;
200-1600 nm
77400 1/8 m Spectrograph equivalent grating (page);
77411 (57)
Usable Wavelength Region^:
180-1600 nm
77298 (29)
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
For further Information on any grating In this catalog CALL (203) 377-8282
69
UNMOUNTED GRATINGS
77929 (30 X 30 X 3 mm) and 77930 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
I - —
^-•
90
POLARIZED AT 45"
>-
60
O
O
\t
50
>
30
x/^->
A.
0.1
0.2
0.3
0.4
as
0.7
0.8
0.9
1.0
1.2
1.4
1.1
2.0
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
400 I/mm
Blaze Wavelength:
350 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
N/A
Primary Wavelength Region':
200-800 nm
77400 1/8 m Spectrograph equivalent grating (page):
77416 (56)
Usable Wavelength Region^:
180-1100 nm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
70
250 LONG BEACH BLVD.. P.O, BOX 872, STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUserve.com
77903 (30 X 30 x 3 mm) and 77904 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
I
I
I
POLARIZED J_TO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
o
tt
50
!5
40
INSTRUMENTS
0.1
0.2
0.3
0.4
0.5
0.8
0.9
1.0
1.6
1.8
2.0
2.2
2.4
2.e
WAVELENGTH (^m)
SPECIFICATIONS
Line Density:
2400 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
Blaze Wavelength:
400 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page);
N/A
Primary Wavelength Region':
230-800 nm
77400 1/8 m Spectrograph equivalent grating (page):
77420 (59)
Usable Wavelength Region^:
200-850 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further Information on any grating In this catalog CALL (203) 377-8282
71
UNMOUNTED GRATINGS
77921 (30 X 30 X 3 mm) and 77922 (50 x 50 x 6 mm) Gratings
100
REFLECTANCE
OF ALUMINUM
I
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
o
z
UJ
o
7\
\^-
I
-^
ORIEL
I
INSTRUMENTS
-•{—-r'
0.1
0.2
0.3
0.4
0.8
0.9
1.0
1.2
1.6
1.8
: ^
2.4
2.6
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
600 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77744 (16)
Blaze Wavelength:
400 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region':
250-1300 nm
77400 1/8 m Spectrograph equivalent grating (page);
77414 (58)
Usable Wavelength Region^:
250-1600nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
72
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDuserve.com
77939 (30 X 30 X 3 mm) and 77940 (50 x 50 x 6 mm) Gratings
100
REFLECTANCE
OF ALUMINUM
90
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
70
O
UJ
o
>
30
INSTRUMENTS
0.1
0.2
0.3
0.4
0.5
0.6
0.9
1.0
1.2
1.6
2.0
2.2
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
300 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77747 (17)
Blaze Wavelength:
500 nm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region';
250-1150 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
245-1500 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
73
UNMOUNTED GRATINGS
77905 (30 X 30 X 3 mm) and 77906 (50 x 50 x 6 mm) Gratings
100
REFLECTANCE
OF ALUMINUM
POLARIZED _ L T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
+-
o
It
50
•v:
ORIEL
N
INSTRUMENTS
0.5
0.8
0.9
Li.
1.0
1.2
WAVELENGTH (pm)
SPECIFICATIONS
Line Density;
1800 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77753 (18)
Blaze Wavelength;
500 nm
77250 1/8 m Monochromator equivalent grating (page):
77309 (30)
Type:
Holographic
77200 1/4 m Monochromator equivalent grating (page):
77253 (43)
Primary Wavelength Region';
300-1100 nm
77400 1/8 m Spectrograph equivalent grating (page):
77421 (60)
Usable Wavelength Region^:
250-1100 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
74
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD. CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 » ELECTRONIC MAIL: 73163.1321@comDuserve.com
77911 (30 X 30 X 3 mm) and 77912 (50 x 50 x 6 mm) Gratings
o
z
UJ
POLARIZED I T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
o
>
INSTRUMENTS
0.8
0.9
1.0
1.2
1.6
WAVELENGTH (fjm)
SPECIFICATIONS
Line Density:
1200 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); N/A
Blaze Wavelength:
500 nm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
N/A
Primary Wavelength Region':
280-1600 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
250-1600 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
75
ORIEL
77923 (30 x 30 X 3 mm) and 77924 (50 x 50 x 6 mm) Gratings
UNMOUNTED GRATINGS
>o
>
0.9
1.0
1.2
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
600 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
Blaze Wavelength:
500 nm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region':
280-1200 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
250-1600 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
76
250 LONG BEACH BLVD., P,0. BOX 872, STRATFORD, CT, U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe.Com
77931 (30 X 30 X 3 mm) and 77932 (50 x 50 x 6 mm) Gratings
1
1
1
REFLECTANCE
y
OF ALUMINUM
^ ^
1
1
'
!
-—
90
1
'
j
1
^^^^^^y/'
1
1
^
'•
o
\
....
,
/
^
--
'
'
!
:
;
1
_;_
,
:
1
1
!
•.
[
!
^
:
^
i
^
1
-
o
o
RELATIVE EFFICIENCY (%)
—
1
o
1"'
o
f-
30
i
N
20
•
• •
-
-
1
--/.-
10
,
ORIEL
/
0.2
1
"...
—
•
INSTRUMENTS
J
0 1
-.
;
0.3
0.4
0.5
0.6
i
1
0.7
0.8
;
0.9
1.0
12
1.4
1.6
1.8
1
1
;
2.0
2.2
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
400 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); N/A
Blaze Wavelength:
500 nm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77240 (44)
Primary Wavelength Region':
300-1200 nm
77400 1/8 m Spectrograph equivalent grating (page);
77417 (61)
Usable Wavelength Region^:
270-1600 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further Information on any grating in this catalog CALL (203) 377-8282
77
ORIEL
UNMOUNTED GRATINGS
77913 (30 X 30 X 3 mm) and 77914 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
-yC
\
POLARIZED J.TO GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
I
70
£
-I-
50
>
20
.L.X
INSTRUMENTS
: : : ^
0.1
0.2
0.3
0.4
0.6
0.7
0.8
0.9
1.0
1.2
1.6
1.8
2.2
2.4
2.6
WAVELENGTH (nm)
SPECIFICATIONS
Line Density:
1200 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); 77752 (19)
Blaze Wavelength:
750 nm
77250 1/8 m Monochromator equivalent grating (page);
77306(31)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77229 (45)
Primary Wavelength Region':
450-1600 nm
77400 1/8 m Spectrograph equivalent grating (page):
77412(62)
Usable Wavelength Region^:
400-1600 nm
'Wavelength region where the grating efficiency is >20%,
W a v e l e n g t h region where the grating efficiency is >10%,
78
250 LONG BEACH BLVD,. P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@ComDUServe.com
77925 (30 X 30 X 3 mm) and 77926 (50 x 50 x 6 mm) Gratings
100
REFLECTANCE
OF ALUMINUM
90
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
80
>
60
:""•"
:
o
•"•«""•
•
" I
//,
i
// 1
,.^^.^.:
\
• - ~ ^ -
'
50
•
/
: '/
/./._
40
1
ll
11
^ .
-
\ :
I
1
'
!
;
1'/
\
\
I
\
\
\ 1
I
I
2.2
2.4
\
y
INSTRUMENTS
0.1
0.2
0.3
0.4
0.5
0.9
1.0
1.2
1.4
2.0
2.8
3.0
WAVELENGTH (^jm)
SPECIFICATIONS
Line Density;
600 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); N/A
Blaze Wavelength;
750 nm
77250 1/8 m Monochromator equivalent grating (page);
77305 (32)
Type;
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77243 (46)
Primary Wavelength Region';
450-2800 nm
77400 1/8 m Spectrograph equivalent grating (page):
77415 (63)
Usable Wavelength Region^;
400-3000 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
79
UNMOUNTED GRATINGS
77933 (30 X 30 X 3 mm) and 77934 (50 x 50 x 6 mm) Gratings
100
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED 11 TO GROOVES
(P-PLANE)
o
it
!
50
\ i 'vi
ORIEL
INSTRUMENTS
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
i
I
1.4
1.6
1.8
2.0
2.2
2.4
WAVELENGTH (^m)
SPECIFICATIONS
Line Density:
400 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
Blaze Wavelength:
850 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
N/A
Primary Wavelength Region':
550-2200 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^;
500-2500 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
80
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD. CT. U.S.A. 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321@comDUServe.com
77915 (30 x 30 X 3 mm) and 77916 (50 x 50 x 6 mm) Gratings
100
REFLECTANCE
OF ALUMINUM
90
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED 11 TO GROOVES
(P-PLANE)
80
/
o
z
K
UJ
o
0.9
1.0
1.2
1.4
1.6
1.1
2.2
2.4
WAVELENGTH (|jm)
SPECIFICATIONS
Line Density;
1200 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); N/A
Blaze Wavelength;
1000 nm
77250 1/8 m Monochromator equivalent grating (page):
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
N/A
Primary Wavelength Region':
550-1600 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
300-1600 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
For further Information on any grating In this cataiog CALL (203) 377-8282
81
UNMOUNTED GRATINGS
77927 (30 X 30 X 3 mm) and 77928 (50 x 50 x 6 mm) Gratings
REFLECTANCE
OF ALUMINUM
PxA
POLARIZED _LT0 GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
\ -
.J\
o
It
50
\
>
\
!
I
\
\
\
\ .
N
I
•
I
J.
2.2
2.4
ORIEL
10
INSTRUMENTS
0.1
0.2
0.3
0.4
0.6
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
WAVELENGTH (^m)
SPECIFICATIONS
Line Density:
600 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77745 (20)
Blaze Wavelength:
1000 nm
77250 1/8 m Monochromator equivalent grating (page):
77299 (33)
Type;
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77234 (47)
Primary Wavelength Region';
600-2500 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
550-2500 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
82
250 LONG BEACH BLVD., P.O. BOX 872. STRATFORD, CT. U.S.A. 06497 - TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDuserve.com
77945 (30 X 30 x 3 mm) and 77946 (50 x 50 x 6 mm) Gratings
100
1
90
/
"" " 1
y
80
/ -i
1
!
1
i
!
i
i
•
:
—
• - - - 1 (S-PLANE)
/ \
i
^
i
1
60
:
-
-
•
•
-
:
•
\
- f
i
50
•
^
1
UJ
UJ
_.. ..
• -^ -
>
/ /;
-
1
7-
40
1
•• 1
\
••
i
•
1
i - - -
•
•
•
;
\
••
i
\__
/
., .
1
/_.
10
r
i1
!
20
1
i
:
—
30
•
j
/
UJ
REFLECTANCE
OF ALUMINUM
__;. .
1
u_
^
1
70
>o
zUJ
o
U-
1
!
•
iDRI'=i
INSTRUMENTS
i
...
i
i
i
0
01
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
200 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77749 (21)
Blaze Wavelength;
1000 nm
77250 1/8 m Monochromator equivalent grating (page);
77307 (34)
Type;
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77244 (48)
Primary Wavelength Region':
600-2200 nm
77400 1/8 m Spectrograph equivalent grating (page);
N/A
Usable Wavelength Region^:
550-2400 nm
'Wavelength region where the grating efficiency is >20%,
^Wavelength region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
83
UNMOUNTED GRATINGS
77935 (30 X 30 X 3 mm) and 77936 (50 x 50 x 6 mm) Gratings
100
REFLECTANCE
OF ALUMINUM
I. ..
POLARIZED _LTO GROOVES
(S-PLANE)
POLARIZED 11 TO GROOVES
(P-PLANE)
tt
i
50
i
_
_!
;
:._.
ORIEL
INSTRUMENTS
0.1
0.2
0.3
|......
'_
0.4
0.5
0.6
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
24
2.6
WAVELENGTH (^m)
SPECIFICATIONS
Line Density;
400 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77746 (22)
Blaze Wavelength;
1200 nm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Type;
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region':
700-2500 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^;
650-2500 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
84
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 . TEL: (203) 377-8282 - FAX: (203) 378-2457 . ELECTRONIC MAIL: 73163.1321@ComDuserve.Com
77941 (30 X 30 X 3 mm) and 77942 (50 x 50 x 6 mm) Gratings
100
1
REFLECTANCE
OF ALUMINUM
^
1
90
7\
1
|
•
:
1
-
^ ^ ~ ^ - - v _ - ^
POLARIZED ± T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
60
:•
-
-
—
•
•
;
I
.
50
UJ
OL
.
.
-
1
.
.
1
.,
.
J
._ .
..
_
.
'
.
1
i
..__;.
:
i
40
-
1
r
r
.'
1
20
/
.. .,
.
'
!
1
...._....
T"
!
i
i
;
1
._
.
/
••
1 •
/
1
""
'
i
1 ..
!
,
:
'
/
•
•
^
/
/
-/i
-/
[
1
1
•
•
1
^
/
/
/
/ 1
/
1
• • • [ V •— •
• N
"^^v
i
N. ....
\
i
i
, .
.
X .
•
\
i
• !
\
1
;
:
-
_...
.
...
\
•
\
I
i
1
-1
•
•
•
-
--
-
•
!
I •
-f .1-
INSTRUMENTS
j
;
N
]
-ff'--
- ORIEL
.....
N
-
i
/
10
•
/
/ 7/
/'
/
./ — / _
/
/
t
/
I
30
•^
1
—
1
UJ
UJ
>
•^
.
• •
1
o
1
f
1
[---••i A - - /
I
\_ _
s?
o
-z.
UJ
i
/
—i-
70
!
i. .._.:_.._>. . .;
/
80
i
^
;
;
i
j
1
•
0
01
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
300 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77748 (23)
Blaze Wavelength;
2000 n m
77250 1/8 m Monochromator equivalent grating (page);
77300 (35)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77235 (49)
Primary Wavelength R e g i o n ' :
1100-3400 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
1000-4000 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
For further information on any grating In this catalog CALL (203) 377-8282
85
UNMOUNTED GRATINGS
77947 (30 X 30 X 3 mm) and 77948 (50 x 50 x 6 mm) Gratings
1
1
-rr
90
^
;
1
1
80
._/
L.
i/
• '
_IA
i \
1
i
70
60
—/
/
f
3?
>
O
z
o
A
\
20
K
\
:
1
•
1
1
•
--
:
1
\
^_
•
;
.
•
-
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
-
;-
r--! -
1
3
4
1
i
V|- - ^ - r
]
i
'
^
J
1
1
1
.._
—
1
1
1
i
-r-
1
;
1
]
•
i
......
:
...1
1
ORIEL
[
^•v,,,.,^^
1
:
'
1
:
10
1
j
0
2
'-
—
•
>
±f_
30
\
-^
1
40
\
1
\
50
LL.
LL
UJ
•
'
!
I
•1
5
6
8
9
^
INSTRUMENTS .
—f
-A
!
.... .. ;
. ..
1
1
\
i
:
!
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
WAVELENGTH (nm)
SPECIFICATIONS
Line Density;
150 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77750 (24)
Blaze Wavelength:
4nm
77250 1/8 m Monochromator equivalent grating (page);
77301 (36)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
77236 (50)
Primary Wavelength Region':
2.5-9 nm
77400 1/8 m Spectrograph equivalent grating (page);
N/A
Usable Wavelength Region^:
2.5-9.5 nm
'Wavelength region where the grating efficiency is >20%.
^Wavelength region where the grating efficiency is >10%.
86
250 LONG BEACH BLVD.. P.O. BOX 872, STRATFORD. CT. U.S.A. 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe.com
77949 (30 X 30 X 3 mm) and 77950 (50 x 50 x 6 mm) Gratings
I
POLARIZED I T O GROOVES
(S-PLANE)
POLARIZED II TO GROOVES
(P-PLANE)
80
O
§
O
u.
50
u.
LU
10
INSTRUMENTS
8
9
10
11
i
,
!
12
13
14
15
16
17
18
19
20
21
22
23
24
25
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
150 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page); N/A
Blaze Wavelength:
6nm
77250 1/8 m Monochromator equivalent grating (page);
N/A
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region';
4-1 Onm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
3.5-10.5 nm
'Wavelength region where the grating efficiency is >20%.
W a v e l e n g t h region where the grating efficiency is >10%.
For further information on any grating in this catalog CALL (203) 377-8282
87
UNMOUNTED GRATINGS
77951 (30 X 30 X 3 mm) and 77952 (50 x 50 x 6 mm) Gratings
12
13
14
15
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
75 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): 77751 (25)
Blaze Wavelength:
7 nm
77250 1/8 m Monochromator equivalent grating (page);
77302 (37)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page);
77237 (51)
Primary Wavelength Region':
4.5-20 nm
77400 1/8 m Spectrograph equivalent grating (page):
N/A
Usable Wavelength Region^:
4.5-21 nm
'Wavelength region where the grating efficiency is >20%.
Wavelength region where the grating efficiency is >10%.
88
250 LONG BEACH BLVD.. P.O. BOX 872. STRATFORD, CT. U.S.A, 06497 • TEL: (203) 377-8282 - FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDuserve,com
77953 (30 X 30 X 3 mm) and 77954 (50 x 50 x 6 mm) Gratings
12
13
14
15
18
19
20
21
22
23
24
25
WAVELENGTH (pm)
SPECIFICATIONS
Line Density:
50 I/mm
77700 Series Monochromator/Spectrograph equivalent grating (page): N/A
Blaze Wavelength;
11 nm
77250 1/8 m Monochromator equivalent grating (page);
77303 (38)
Type:
Ruled
77200 1/4 m Monochromator equivalent grating (page):
N/A
Primary Wavelength Region':
7-23 nm
77400 1/8 m Spectrograph equivalent grating (page);
N/A
Usable Wavelength Region^:
6,5-24 nm
'Wavelength region where the grating efficiency is >20%,
Wavelength region where the grating efficiency is >10%.
For further information on any grating In this catalog CALL (203) 377-8282
89
NUMERICAL INDEX
Model No.
77229
77230
77231
77233
77234
77235
77236
77237
77239
77240
77243
77244
77253
77296
77298
77299
77300
77301
77302
77303
77304
77305
77306
77307
77308
77309
90
Page No.
45
40
41
42
47
49
50
51
39
44
46
48
43
28
29
33
35
36
37
38
26
32
31
34
27
30
Model No.
77410
77411
77412...'
77413
77414
77415
77416
77417
77419
77420
77421
77422
77740
77741
77742
77743
77744
77745
77746
77747
77748
77749
77750
77751
77752
77753
250 LONG BEACH BLVD., P,0, BOX 872, STRATFORD. CT. U.S.A, 06497 - TEL: (203) 377-8282 • FAX: (203) 378-2457 - ELECTRONIC MAIL: 73163.1321@comDUServe,com
Page No.
54
57
62
52
58
63
56
61
53
59
60
55
13
14
15
12
16
20
22
17
23
21
24
25
19
18
Model No.
Page No.
Model No.
Page No.
77901
65
77927
82
77902
65
77928
82
77903
71
77929
70
77904
71
77930
70
77905
74
77931
77
77906
74
77932
77
77907
66
77933
80
77908
66
77934
80
77909
69
77935
84
77910
69
77936
84
77911
75
77937
68
77912
75
77938
68
77913
78
77939
73
77914
78
77940
73
77915
81
77941
85
77916
81
77942
85
77917
64
77945
83
77918
64
77946
83
77919
67
77947
86
77920
67
77948
86
77921
72
77949
87
77922
72
77950
87
77923
76
77951
88
77924
76
77952
88
77925
79
77953
89
77926
79
77954
89
For further information on any grating in this catalog CALL (203) 377-8282
91
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IMAGING MONOCHROMATOR/SPECTROGRAPH
Our new MS 257^" isn't just another 1/4 m nnonochromator/spectrograph. It's a very smart instrument - it can
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MS 257^" is available with single, dual, triple or quadruple
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two output ports. A built-in microprocessor allows automatic grating, filter and port selection, at the desired wavelength. An internal shutter is included for dark current measurements and readout of frame transfer CCDs.
And, you don't have to worry about stray light! Back reflected light from the mirrors and detector have been virtually
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Our new multichannel detectors (photodiode arrays, spectroscopic CCDs and
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Our spectroscopic CCD, instaSpec'^" IV, offers the sensitivity needed for
fluorescence, and is the heart of a low cost, compact Raman Spectroscopy
system. Combined with our 1/8 m spectrograph and Holographic Notch Filters
you can analyze weak Raman scatter in just seconds.
InstaSpec™ V ICCD is our gated intensified system. It measures photon light
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InstaSpec^" V ideal for Raman, Luminescence, Microspectroscopy and
Imaging.
92
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT. U.S.A. 06497 • TEL: (203) 377-8282 • FAX: (203) 378-2457 • ELECTRONIC MAIL: 73163.1321 @comDuserve.Com
UV-NIR PULSED SOURCES
IR DETECTORS
If you need to detect
low level IR radiation,
you'll want to know
more about our new
line of HgCdZnTe
Detectors. They have
a broad spectral
response, 2 to
>12 |im for some
models, excellent
detectivity, D* is >1 x
1 0 " cm Hzi/2/w for a
TE cooled model, are
extremely compact
(they are offered
mounted and
unmounted), and reasonably priced.
Oriel's new pulsed light sources
give you the advantages of the
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between microsecond xenon
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spectroscopy and for gated
excitation, they can be quickly
adapted to sample illumination or
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sources are ideal for efficient
coupling to fiber optics for remote
sensing or microscopy.
WHERE DO I FIND THESE PRODUCTS?
You can find these and over 3000 other products
in Oriel's new Light Research Catalog. This 528
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The technical detail for each product, the
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page.
For further Information on any grating in this catalog CALL (203) 377-8282
93
/NSTRUMENTS
Making Light
•
Moving Ligtit
•
Measuring Light
250 LONG BEACH BLVD., P.O. BOX 872, STRATFORD, CT USA 06497
TEL: (203) 377-8282 • FAX: (203) 375-0851 • E-MAIL: 73163.1321@compuserve.com
L.O.T-Orlel In Europe
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