TABLE OF CONTENTS
Personnel
vii
Publications and Reports
xv
Introduction
xxi
GENERAL PHYSICS
I.
Molecular Beams
Molecular Beam Universal Ionizer
1
1
II.
Molecular Collisions
Evidence for Long-lived Complexes in Additional Systems
5
5
III.
Molecular Energy Transfer and Spectroscopy
7
CO 2 Laser Tuning by Selective Intracavity Absorption
IV.
Microwave Spectroscopy
Work Completed
The Radio-Frequency Size Effect in Anomalous Skin
Depth Region
Reaction of Atomic Hydrogen with Solid Olefin Films at
Cryogenic Temperatures
V.
Atomic Resonance and Scattering
Differential Spin-Exchange Scattering
VI.
VII.
Electron Magnetic Resonance
8
11
11
11
12
15
15
23
Data Handling for Magnetic Resonance Experiments
23
Geometrical Conformations in the Lowest Excited Triplet
States of Polyphenyls
25
Radio Astronomy
27
Galactic Studies of the Hydrogen Recombination Line
28
Ku-band Interferometer
28
Structure of W3
29
VIII.
Solid-State Microwave Electronics
31
IX.
Electronic Instrumentation
35
QPR No. 88
Shielded Room Facility
36
Control of Instabilities
38
Electronic Interface
38
Mass Spectrometer Resolution
39
CONTENTS
X.
Optical and Infrared Spectroscopy
Optical Phonons in Mixed Sodium Potassium Tantalates
41
XI.
Ultrasonic Properties of Solids
57
XII.
Geophysical Research
59
XIII.
Gravitation Research
61
42
Laser-Induced Resonance Fluorescence in a Molecular
Beam of Iodine
61
Frequency Stabilization of 5145 A Argon Ion Laser Using
a Molecular Beam of Iodine as a Primary Reference
66
Laser Excitation of the 5s-6s Forbidden Transition in an
Atomic Beam of Rubidium
67
Nonlinear Thomson Scattering
69
XIV.
Noise in Electron Devices
73
XV.
Magnetic Resonance
75
XVI.
X-ray Diffraction Studies
77
Work Completed
XVII.
XVIII.
XIX.
Physical Electronics and Surface Physics
77
79
Many-Body Theory of a Rapidly Varying Inhomogeneous
Electron Gas
80
Contact-Potential Measurements of the Adsorption of
Alkali Metals on a (110) Tantalum Crystal
81
Physical Acoustics
85
Light Scattering by Thermal Vibrations of a Liquid Surface
85
Photoelastic and Elastic Properties of LaF 3
86
Nonlinear Mode Coupling in the Vibrating String
87
Electrodynamics of Media
89
CO 2 Laser Research
90
Interpretation of Energy and Power in Uniformly Moving
Media
90
Force on Magnetic Dipole and Electric Current Loop
93
Time-Averaged Energy Functions of Nonlinear Optical
Media
98
QPR No. 88
CONTENTS
XX.
Physical Optics of Invertebrate Eyes
Corneal Interference Filters in the Compound Eyes of Flies
105
Optical Functioning of the Tobacco Hornworm Moth Eye
111
Skipper Glow
114
106
PLASMA DYNAMICS
XXI.
Plasma Physics
Exact Nonlinear Undamped Waves in a Collisionless Plasma
121
Diffusion Wave Experiment
130
Helium Afterglow Measurements Utilizing a Narrow-Band
Far Infrared Interferometer
Ion Temperature Measurements in the Hollow-Cathode
Arc Plasma
XXII.
Gaseous Electronics
Measurement of Electron-Neutral Collision Frequencies
in an Argon Plasma
XXIII.
Plasmas and Controlled Nuclear Fusion
Active Plasma Systems
XXV.
138
149
153
153
167
167
Beam-Plasma Discharge: System D
169
Spiraling Beam-Plasma Interactions
175
Beam Space-Charge-Wave Interaction with the Backward Wave in a Cold-Plasma Waveguide
183
Critical Lengths for Absolute Instabilities
186
Applied Plasma Physics Related to Controlled Nuclear Fusion
193
Particle Flux Measurements in a Hollow-Cathode Arc
194
A Possible Very Intense Pulsed Continuum X-ray Source
196
Active Plasma Effects in Solids
XXIV.
121
201
Microwave Instabilities in a Semiconductor Subjected to
DC Electric and Magnetic Fields
202
Interactions of Acoustic Waves with Drifting Electrons
in a Magnetic Field
204
Spontaneous Radiofrequency Emission from Hot-Electron Plasmas
211
Diamagnetism of a Radially Inhomogeneous Plasma in a
Uniform Magnetic Field
211
Interaction of Laser Radiation with Plasmas and Nonadiabatic
Motion of Particles in Magnetic Fields
217
QPR No. 88
Incoherent Scattering of Light from Plasma V
217
Velocity Scattering of Charged Particles in Perturbed Magnetic Fields
220
CONTENTS
XXVI.
Energy Conversion Research
231
COMMUNICATION SCIENCES AND ENGINEERING
XXVII.
Statistical Communication Theory
233
XXVIII.
Processing and Transmission of Information
237
XXIX.
Lower Bound to the Error Probability for the Atmospheric
Optical Channel
240
On Optimum Reception through a Turbulent Atmosphere
247
Comparison of the Performance of the Photon Counter and
the Classical Optimum Receiver
255
Detection and Estimation Theory
261
Asymptotic Approximations to the Error Probability for
Detecting Gaussian Signals
263
Scheme to Utilize Noiseless Feedback to Reduce Channel
Noise
276
XXX.
Speech Communication
281
XXXI.
Linguistics
283
XXXII.
Conjunctive Stacks and Disjunctive Sequences in Language
Change
285
Tone in Ewe
290
Cognitive Information Processing
Sampled Fraunhofer Hologram Generated by Computer
XXXIII.
XXXIV.
XXXV.
310
Communications Biophysics
317
Ectopic Beat Detector
326
Phenomenological Model for a Form of Adaptation in Primary
Auditory-Nerve Fibers
329
Neurophysiology
335
Fiorello
337
Random Nets of Formal Genes
340
Computer Research
Status of Research
XXXVI.
305
Stroboscopic Light Research
Author Index
QPR No. 88
349
349
351
353