Contents
Introduction
1
Personnel
2
Publications and Reports
4
Research Projects
I
II
III
Microwave and Physical Electronics
A
High-Power Magnetron Research
B
Cathode Research
1
Cathode Interface Studies
The Interface as a Blocking Layer
2
Conductivity and Work Punctions of Oxide Cathodes
3
Spectral Emissivity of Tungsten
4
Electron Emission in Accelerating and Retarding Fields
5
C
Ionization Gauge Research
D Properties of Cathode-Ray Tube Screens
Determination of Emission Properties of Single Crystals
Z
Construction of 5-mm Oxford Tyne Tube
7
G
Traveling-Wave Amplifier Tubes
1
Theoretical Considerations
2
Experimental Studies
5
6
6
8
8
9
10
10
10
10
11
11
11
12
Microwave Physics
Hicrowave Spectroscopy
A
1. Microwave-Frequency Bridge
Sweep Spectroscope
2.
Audio-Frequency Bridge
3
Caesium Spectrum
4
Molecular Beam Research
B
1
Hyperfine Structure of Hydrogen
Second Molecular Beam Resonance Anparatus
2
C Low Pressure Gas Discharges
D Low Temperature Research
1
Helium Liquefiers
2
Studies on Liquid Helium
3
Studies on Beryllium
4
Superconductivity at 1 25 am
5.
Magnetic Nuclear Resonance Experiments
6
Adiabatic Demagnetization
7
The Classification of Phase Transitions
E
Paramagnetism at Microwave Freouencies
13
13
13
13
13
14
14
20
20
23
23
24
24
24
26
34
35
35
Modern Electronic Techniques Applied to Physics and Engineering
Design and Construction of a Microwave Accelerator
A
B
Ultrasonics Research Program
Ultrasonic Measurements in Liquid Argon and Liquid Helium
1
2
Ultrasonics Measurements above 100 Mo/sec
Ultrasonic Absortion in Metals
3
4
Param-ignetic Relaxation Experiment
5
Attenuation in Sil cle Crystals
Cyclotron R-F Project
0
D. Three-Cm Sweep-Frequency Oscillator
36
37
37
38
39
40
40
41
41
IV
V
Communications and Related Projects
Modulation Studies Spectrum Utilization, Efficiency of Power
A
Utilization, Signal-to-Noise Ratios
1. General Analysis of the Transmission of Information
Pulse Modulation Studies
2
3. Prouerties of Random Noise
The Action of Limiters and Discriminators in FM Receivers
4
in the Presence of Noise
Stabilized Oscillator Problems
B
Equal-Arm Microwave Frequency-Discriminator
1
2. Distortion Due to Frequency Modulation of a FrequencyStabilized Klystron
Square-Wave Modulation of the Pound Freauency Stabilizer
3
Multipath Transmission
0
D Response of Networks to Frequency Transients
Miscellaneous Problems
Locking Phenomena in R-F Oscillators
A
B Electronic Differential Analyzer
C Electronic Potential Mapping
D. Broadbanding of Arbitrary Impedances
E- Approximation of a Sneclfied Amplitude and Phase by a Linear
Network
F
Synthesis of Optimum Linear Systems