LCLS Injector Overview
D. H. Dowell, SLAC
FAC Review April 29-30, 2004
Injector Organization
Injector Performance Requirements
Description of the LCLS Injector Facility
Accelerator Housing
Sector 20 Alcove
Schedule and Budget
Construction and Acquisition Plan for
Major Components
Summary
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Injector Organization
LCLS Injector
D. H. Dowell, Manager
TBD, Dep. Manager
C. Duprey-Limborg, Physicist
Inj. Controls
D. Kotturi
D. Kotturi, Cntrls. Prog.
S. Allison, Cntrls. Prog.
D. Brown, Cntrls. Eng
Inj. Lasers
S. Gilevich
P. Bolton, Laser Physicist
S. Gilevich, Optical Eng.
J. Mitchell, Optical Designer
RF Gun&Beamline
R. F. Boyce
Beamline&Waveguide
L. Bentson, Lead Mech Eng
D. Blankenship, Mech Designer
T. Osier, Mech Designer
J. Hodgson, Modeling Physicist
RF Gun, GTL & Load Lock
R.F. Boyce, Mech Eng
N. Braughton, Mech Designer
M. Palrang, Mech Designer
R. Carr, Physicist, Laser Heater
Z. Li, RF Physicist
PPS, MPS, Power
Conversion
W. Linebarger
RF Systems
R. Akre
Ron Akre, Klyst. Eng.
Alan Hill, Klyst. Eng.
Peter McIntosh, Klyst. Eng.
Vojtech Pacak, Klyst. Eng.
Anatoly Krasnykh, Klyst. Eng.
Bo Hong, Klyst. Eng. (70%)
Al Owens, Klyst. Eng.
Clive O'Conner, Klyst. Eng.
Richard Strozinski, Klyst. Tech.
Josh Gold, Klyst. Tech.
Nick Gupdnaporne, Klyst. Tech.
Greg Dalit, Klyst. Tech.
Jeremy Pigula, Klyst. Tech.
P. Bong, PPS
A. DeLira, Power Systems Eng.
M. Ortega, Eng. Services
P. Rodriguez, Elec. Sys. Design/Coord.
A. Tilghman, MPS
Gun Test Facility
J. Schmerge, Physicist
S. Gierman, Physicist
P. Bolton, Laser Physicist
J. Castro, Laser Tech
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
LCLS Injector Performance Requirements:
Parameter
Value
Peak current
Charge
Normalized transverse emittance
projected/slice
Rate
Energy
Energy spread @ 135 MeV
projected/slice
Gun laser timing stability
Booster mean rf phase stability
Charge stability
Bunch length stability
100 A
0.1 – 1 nC
 1.2 / 1.0 m rms
120 Hz
135 MeV
 0.1 / 0.01 % rms
 0.50 ps rms
0.1  rms
 2.0 % rms
 5 % rms
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
LCLS Injector Configuration
LINAC HOUSING SIDEWALL
RF Gun
TR
UM
EN
T CH
A MB
VA
CU
EA
TM
PU
MP
S
1
F
YA C 1,
G
SP
SE O OL
AL S
FR
1
1
Transverse RF Cavity
2
EO
SC 2
QU 7
AD
QU
AD
Pb 2
10' HIGH
CONCRETE
A , B , C ARE THE DETECTOR LOCATIONS INSIDE THE LCLS INJECTOR VAULT
VA
LV
E
Fe 2
Fe 3
BEAM
LINAC HOUSING SIDEW ALL
QUAD
QUAD
CM4
EO3
BPM 19
SC11
B02
AD
QU
04
SC10
D
04
WS
OTR
6
Q UA
SC9
B01
AD
03
BPM 16
B PM 15
9.4
ACCELERATOR
SECTION 21-1B
DUMP
02
3" TUBE
6
B PM 18
Q S01
BP M 20
SC13
LE
01
3
5
17
PEP-2 HE/LE BYPASS
QU
VALVE
HE
4
Pb 1
BP
M
SECTION 20-8C
2
B0
SECTION 20-8B
2" TUBE
BPM
VA
14
LV
E
4
SC
12
YA
G
4
SECTION 20-8A
1
10' ACCEL
QE-901
10' ACCEL
ACCEL
BEAM
STOPPER
10'
LINAC HOUSING SIDEW ALL
P E N . 21 -1
PIC
PIC
PEN. 20-17
OT
R5
Fe 1
PEN. 20-16
PEN. 20-15
SC
8
LINAC HOUSING SIDEW ALL
3
BP
M
OT
R4
BP
M
12
Pb 3
13
0 1 , 0 2 ... ETC. ARE POINT-SOURCE LOCATIONS ALONG THE HE BYPASS LINE
BP
M
11
B
DL1 Bend
OP
PE
R
C
ST
SC
6
KE
R
RF
BSOIC
A
RA
D
LI
NA
C
OT
VA R3
LV
E
2
... ETC. ARE SIX SOURCE AREAS ALONG THE DRIFT REGION
KIC
UN
DU
LA
TO
R
TO
9
N
10
D
IF
IC
AT
IO
OT
R
M
O
OT
R
6
U
RC
E
BP
M
1 , 2
SO
Laser Heater
OR
BP
M
KEY:
10
'A
CC
EL
ER
AT
BP YA
G
M
7
3
QU
AD
1/22/2004
LI
G
HT
SI
D
EW
AL
L
QU
BP
M
AD
8
H
ER
EN
T
SC
5
C
O
HO
US
IN
G
L0-1 & L0-2
3-m SLAC Sections
3
Gun Diagnostics
YA
BP G 2
M
5
LI
NA
C
RF
Cav
.
BP
M
LINAC HOUSING SIDEW ALL
ER
AT
OR
SC
4
SC
X-Y 2
4
LI
N
AC
SC
3
BP
M
QU
AD
FC
Y A 3,
G
C
M2
QU
AD
3
10
'A
CC
EL
BP
M
FC
YA 2,
G
CM
2
10' HIGH
S2
M1
BP
M
DE
QU
A
QU D
AD
C
HO
BP
M
AT
U HV
GA AL
TE L
VA ME
LV TA
ES L
PO
HO RC
LD UPIN
ER
EC
VA
LV
E
MA
SC
G
Sp N E
QU 1 X
ec TIC
A D -Y,
tro
.
YA
G
OM
CA
T
RF H OD
GU E
N
E0
1
1
ER
LO
AS NG
SE BE
MB LL
L OW
Y
S
Load Lock
VA
LV
E
S1
Q S02
DRIFT SECTION
LINAC HOUSING SIDEW ALL
Straight Ahead Spectrometer
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
QS0 3
O TR
FC 4
The LCLS Injector Facility at Sector 20
Laser Penetration
Personnel and Equipment
Access to Injector
Cathode Lab
Overhead
Crane
Laser Room
10 Feet
Roll up Door
Beam
Transport
Dn
TREAT MENT CHAM BER
VACUUM PUM PS
6' X 15'
4' X 8'
6' X 15'
Emergency
Exit
SPOOLS FROM VALVE
SEAL
L ONG BELL OWS
ASSEMBLY
PORCUPINE CATHODE
HOLDER
Top View of
S20 Alcove
UHV AL L M ET AL
GAT E VAL VES
Entry
Local Control Room
Staging Area
for Equipment
Going to Injector
Load Lock
Room
Power Supplies
Pump Utilities
Optical work area
Local Control
Storage
Laser Bay
Controlled
entry
Cable Tray
into Laser Bay
Cable tray over
top of Laser Bay
RF Hut
Klystron Gallery
Sector 20
Power Supplies
Side View of S20
Alcove, stairwell and
injector off-axis vault
Injector
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Drive Laser Room Relative to the Gun
Penetration for Drive
Laser Beams
10' SLIDING DOOR
3' DOOR
12'
PENETRATION
FOR LIGHT
10'
MATERIAL SHAFT
STAIR WELL
PEN. 20-19
CLEAN
ROOM
OPTICAL TABLES
4' DOOR
CLEAN
ROOM
ENTRY
RACKS
6' DOOR
3' DOOR
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
LCLS Will Use Part of the Existing High Power RF
RF System, R. Akre
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Current View of S20 Drive Laser Room
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Current View of S20 Drive Laser Room
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Current View of S20 Control Room
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Injector Schedule
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
COST Report – WBS3 x Fund
WBS
DESCRIPTION
FY
FY
FY
FY
FY
2004
2005
2006
2007
2008
TOTAL
191
357
19
376
359
359
57
57
11
11
548
446
994
460
1797
2257
31
687
719
140
140
307
307
491
2931
3422
164
486
3220
15
476
665
3696
164
3707
491
4361
89
118
89
103
282
385
116
4
120
149
398
548
1
1
266
403
668
103
50
166
216
16
16
153
182
335
1.2.1 Injector System Management & Integration
PED
CON
TOTAL
Project Engineering
Project Construction
191
1.2.2 Injector Controls Subsystem
PED
CON
TOTAL
Project Engineering
Project Construction
1.2.3 Injector Lasers
PED
CON
Project Engineering
Project Construction
TOTAL
1.2.4 RF Gun & Load Lock
PED
CON
TOTAL
Project Engineering
Project Construction
118
34
166
200
344
448
792
1.2.5 Gun to Linac Section (GTL)
PED
CON
TOTAL
Project Engineering
Project Construction
1.2.6 Injector Linac Structures
PED
CON
TOTAL
Project Engineering
Project Construction
103
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
COST Report – WBS3 x Fund
WBS
DESCRIPTION
FY
FY
FY
FY
FY
2004
2005
2006
2007
2008
81
20
176
196
TOTAL
1.2.7 L0-1 to L0-2 Section (L0-1TL0-2)
PED
CON
TOTAL
Project Engineering
Project Construction
81
100
176
276
1.2.8 Linac to DL1 (LTDL1)
PED
CON
TOTAL
Project Engineering
Project Construction
165
78
456
534
18
18
243
475
717
104
161
19
121
180
17
265
19
301
15
72
377
448
28
28
86
404
491
171
360
531
81
81
217
441
658
165
1.2.9 Dog Leg 1 Bend (DL1)
PED
CON
Project Engineering
Project Construction
TOTAL
17
1.2.10 DL1 to Linac (DL1TL)
PED
CON
TOTAL
Project Engineering
Project Construction
15
1.2.11 Straight Ahead Beamline (SAB)
PED
CON
TOTAL
Project Engineering
Project Construction
46
46
1.2.12 Injector RF Waveguide Subsystem
PED
Project Engineering
CON
TOTAL
Project Construction
56
44
100
56
873
917
873
973
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
COST Report – WBS3 x Fund
WBS
DESCRIPTION
FY
FY
FY
FY
FY
2004
2005
2006
2007
2008
350
711
332
1043
170
393
563
20
20
116
93
209
1
115
116
TOTAL
1.2.13 Injector RF Subsystem
PED
CON
TOTAL
Project Engineering
Project Construction
350
1231
745
1977
1.2.14 Cathode Processing (CP) Station
PED
CON
TOTAL
Project Engineering
Project Construction
117
208
326
1.2.15 Injector Laser Heater Subsystem
PED
CON
Project Engineering
Project Construction
TOTAL
79
252
51
195
10
130
457
331
246
10
587
1.2.16 Injector Protection & Pwr Conv Subsystem
PED
CON
TOTAL
Project Engineering
Project Construction
110
110
358
568
926
134
58
191
29
29
815
815
148
148
602
626
1228
1.2.17 Injector Installation & Alignment
CON
TOTAL
Project Construction
14
14
2
2
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
1007
1007
Injector Design and Procurement Plan
Drive Laser
Requesting Vendor Integration of IR System and UV Conversion Optics
More Details In S. Gilevich’s Talk
RF Gun and Load Lock
SLAC Performed 120 Hz Thermal Analysis (See Nov 3 Injector Review)
Currently Requesting Bids for Vendor Engineering and Fabrication
SLAC Definition of RF Design and Vendor Engineering & Fabrication
L0 Accelerator Sections
L0-1 has Newly Designed, Dual RF Feed (See D. Dowell talk)
L0-1 Fabricated at SLAC by Modifying Existing SLAC Structure
L0-2 Standard 3-m Structure from SLAC Inventory
Beam Transport
Purchase Standard Gun Solenoid but with Field Correctors (See D. Dowell talk)
Quadrupoles are Based Upon GTF Designs, but with 1” Dia. Aperture from Xgamma Corp.
DL1 Dipole Designs Completed and Will Submit to Vendors for Quotes
Bids for Spectrometer and Chicane Dipoles will be Combined into Single Package
Linac Solenoid Currently in ANSYS and Engineering Design
RF Transverse Deflector
Possibly Reuse Existing Structure in Linac
Need to Evaluate Condition and Get Permission to Remove
Diagnostics
Purchase Bergoz ICT’s and Readout Modules for Charge Measurements
Use Standard SLAC Striplines for BPM Measurements, but Require New Large Dynamic Range
Electronics
OTR and YAG Profile Monitors With Wake Field Mitigation
Integrated YAG/Faraday Cups Based Upon GTF Design
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu
Summary and Conclusions
In Process of Building Injector Organization
Injector Configuration Finalized
Sector 20 Alcove Will be New Construction
~850 sq. ft. for Drive Laser Bay and Optical Lab/Storage
More Space for Cathode Lab
Injector Schedule:
Installation Plan Tied to Linac Downtimes
~400 days for injector commissioning
Working to Shorten Drive Laser Schedule
Design and Procurement Plan:
Improves and Re-Uses Existing SLAC Designs
Utilizes Competent Vendors
April 29-30, 2004
David H. Dowell
Injector Overview
dowell@slac.stanford.edu