TABLE OF CONTENTS
GENERAL PHYSICS
I.
1
Molecule Microscopy
Scanning Desorption Molecule Microscopy
Cell-Surface Studies
II.
Scanning Micropipette Molecule Microscope
2
2
Pathways of Transepithelial Water Flow
3
Developmental Electron Optics Laboratory
The Auger Electron Microscope
III.
Semiconductor Surface Studies
Surface and Defect Excitations in Covalently Bonded Solids
V.
5
5
9
Excitations at Surfaces and Interfaces of Solids
IV.
1
Photoemission Spectroscopy
9
10
11
Investigations of Molecular Chemisorption on Semiconductors
by Angle-Resolved Photoemission Spectroscopy
11
Studies of Semiconductor Surface Reactivity
13
Atomic Resonance and Scattering
Studies of Rotational Energy Transfer
Level-to-Level Energy-Transfer Differential Cross Sections
Using Doppler Velocity Analysis
Molecular Spectroscopy
15
15
19
21
VI.
Interfacial Chemistry
Photoacoustic Spectroscopy and Chemically Modified Surfaces
23
23
VII.
X-Ray Diffuse Scattering
25
PR No. 122
Commensurate-Incommensurate Transition of Monolayer
Krypton on Graphite
Structure, Phase Diagram and Melting of Xenon on Graphite
26
26
Structure, Phase Diagram and Transitions of Monolayer and
Bilayer Molecular Oxygen on Graphite
27
Structure of Well-Ordered Smectic Phases
27
Critical Behavior of the SmA-SmC Transition of 8S5
Observation of Algebraic Decay of Positional Order in a
Smectic Liquid Crystal
28
iii
28
CONTENTS
VIII.
Quantum Electronics
Laser Applications
High-Resolution Studies of the AC Stark Effect in an
Atomic Beam and the Influence of Atomic Recoil
31
31
Folded Doppler-Broadened Three-Level Molecules in Intense
Monochromatic Fields: High-Resolution Study in 12
Vapor
34
Observation of Rotational Dependence in Collisional
Self-Broadening of Stimulated Vibrational Raman
Spectra in 02
35
Measurement of Inertial Rotation Using a Passive Ring
Resonator
37
Measurement of Inertial Rotation Using a Multiturn
Fiberoptic Sagnac Interferometer
38
Observation of Natural Width Differences in 12 Hyperfine
Structure Using High-Resolution Two-Step Spectroscopy
IX.
31
Nonlinear Phenomena
39
41
Picosecond Opto-Electronics
Distributed Feedback Structures
41
44
Surface Acoustic Wave Gratings
44
Time-Resolved Spectroscopy of Condensed Matter
47
Microviscosity in Gels and Polymer Solutions
Molecular Reorientation near the Consolute Critical Point
Future Directions
47
48
50
X.
Infrared Nonlinear Optics
Infrared Nonlinear Processes in Semiconductors
51
51
XI.
Quantum Optics and Electronics
53
XII.
Picosecond Dye Laser Optics
53
Nonlinear Spectroscopy of Atoms and Molecules
54
Microwave and Millimeter Wave Techniques
Research Objectives
XIII,
Electronic and Optical Materials and Applications
Magnetostatic Modes Bound by DC H-Field Gradients
PR No. 122
55
55
57
58
CONTENTS
Optical Detection of Magnetostatic Resonances
Magnetostatic Waves and Devices
Mode Synthesis
New Techniques to Guide and Control Magnetostatic Waves
59
59
60
61
XIV.
Microwave Thermography
63
XV.
Radio Astronomy
65
Long-Baseline Astrometric Interferometer
Controlled Thin-Film Antenna
Scanning Microwave Spectrometer Experiment
Tiros-N Satellite Microwave Sounder
Scanning Multichannel Microwave Radiometer (SMMR)
Communication Satellites
Microwave Spectroscopy of the Interstellar Medium
Research Objectives
XVI,
Electromagnetic Wave Theory and Remote Sensing
Electromagnetic Waves
Remote Sensing with Electromagnetic Waves
Active and Passive Microwave Remote Sensing
Prediction of Backscatter and Emissivity of Snow
at Millimeter Wavelengths
Acoustic-Wave Propagation Studies
XVII.
XVIII.
XIX.
Electronic Properties of Charged Centers in Si0 2 -like
Glasses
65
66
67
68
68
69
70
71
73
73
75
77
79
80
83
Photon Correlation Spectroscopy and Applications
Research Program
85
Microstructure Fabrication
Creation of the Submicrometer Structures Laboratory
Development of Microstructure Fabrication Techniques
87
87
Graphoepitaxy
PR No. 122
85
88
89
CONTENTS
Attachment and Properties of Molecules on Submicrometer
Structures
89
Electronic Transport in Quasi-One-Dimensional Submicrometer
Structures in Silicon Inversion Layers
90
X-Ray Lenses and Diffraction Gratings
Submicrometer Structures and Liquid-Crystal Research
90
91
PLASMA DYNAMICS
XX.
Plasma Dynamics
Basic Plasma Research
Nonlinear Wave Interactions
Renormalization Methods in Plasma Turbulence Theory
Intense Relativistic Electron Beams
Plasma Research Related to Fusion
95
96
96
97
98
105
Physics of Thermonuclear Plasmas
Dynamics of Toroidal Discharges
RF Heating and Nonlinear Waves in Toroidal Plasmas
Nonlinear Theory of Trapped-Particle Instabilities
An Advanced Scientific Computing Environment
105
Tokamak Research: RF Heating and Current Drive
Mirror-Confined Plasmas
114
121
107
110
113
113
COMMUNICATION SCIENCES AND ENGINEERING
XXI.
XXII.
Optical Propagation and Communication
Improved Low-Visibility Communication
125
Quantum Communication Theory
127
Digital Signal Processing
PR No. 122
125
129
Linear Predictive Encoding of Seismic Data
131
Event Detection in Sonic Well Logging
Adaptive Array Processing for High-Resolution Acoustic
Imaging
Design of Two-Dimensional Filters
132
133
134
CONTENTS
XXIII,
Signal Reconstruction from Phase or Magnitude
Time-Scale Modification of Speech
The Estimation of Formation Parameters in Sonic
Well Logging
135
137
Spectral Estimation for Sensor Arrays
138
Speech Enhancement
Two-Dimensional Power Spectrum Estimation
Extraction of Acoustic Plane-Wave Reflection Coefficient
from the Sound Field Generated by a Point Source
Maximum Likelihood Estimation with Noisy Data
139
Processing of Satellite Imagery
Evaluation of Circularly Symmetric Two-Dimensional Fourier
Transforms and Its Application to the Measurement of
Ocean-Bottom Reflection Coefficients
143
Short-Time Fourier Analysis
Phase Estimation
144
Cognitive Information Processing
Communications Biophysics
Signal Transmission in the Auditory System
Basic and Clinical Studies of the Auditory System
PR No. 122
144
148
154
163
163
164
166
166
169
Custom Integrated Circuits
Conversion of Algorithms to Custom Integrated Circuits
XXVII.
143
159
Natural Language Processing
Digital Wirephoto System
Data Processing for the Graphic Arts
Image Processing for the Graphic Arts
XXVI.
141
142
157
Linguistics
Research Results
XXV,
140
147
Speech Communication
Studies of Speech Production and Perception
Studies of Speech Production by Children and Disorders
of Speech Production
XXIV.
137
vii
169
171
171
171
CONTENTS
Auditory Psychophysics and Aids for the Deaf
Intensity Perception and Loudness
174
Binaural Hearing
179
Hearing Aid Research
184
Tactile Communication of Speech
Musical Pitch
Transduction Mechanisms in Hair Cell Organs
Stiffness Coefficient of the Cupula in the Semicircular
Canal of the Skate
The Influence of Ampulla, Duct, and Utricular Shape on
Semicircular Canal Endolymph Flow Dynamics
Biomedical Engineering
XXVIII.
174
Neurophysiology
187
194
197
197
199
201
203
Tectal Studies of Ambystoma
203
The Basal Optic System
Retinal Operators That Null Out Rigid 3-Space Translations
Apparent Reference-Frame Paradox in General Relativity
204
205
Computer-Simulated Object-Color Recognizer
214
212
Publications and Reports
223
Personnel
248
Author Index
258
Research Support Index
261
PR No. 122
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