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optical engineering
VOL. 38 · NO. 1 | January 1999
CONTENTS
IN THIS ISSUE
Editorial (1)
Guest Editorial (1)
OPTICAL SECURITY (14)
GAS PERMEABILITY (1)
Image Processing (1)
LASER PULSE SIMULATION (1)
LIDAR (1)
MICROLENSES (1)
OPTICAL COMMUNICATION (1)
REAL-TIME HOLOGRAPHY (1)
RETROREFLECTORS (1)
STRAIN MEASUREMENT (1)
WAVEGUIDES (1)
Communications (1)
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Editorial
Naming a New Society
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602293
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Guest Editorial
Guest Editorial: Special Section on Optical Security
Joseph Horner, Bahram Javidi
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602039
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OPTICAL SECURITY
Noise performance of double-phase encryption compared to XOR encryption
Bahram Javidi, Laurent Bernard, Nasser Towghi
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602074
TOPICS: Image encryption, Image restoration, Binary data, Optical engineering, Computer simulations, Error analysis, Signal to noise ratio, Fourier transforms, Image quality, Convolution
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High-security optical integrated stream ciphers
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602057
TOPICS: Computer security, Integrated optics, Logic, Image encryption, Binary data, Computer programming, Optical signal processing, Computer simulations, Beam splitters, Optical correlators
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Transformed phase mask and photoanisotropic material in optical correlators applied for security verification
Leonid Muravsky, Taras Voronyak, Volodymyr Fitio, Mykhajlo Shovgenyuk
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602058
TOPICS: Optical correlators, Phase modulation, Transmittance, Binary data, Promethium, Holograms, Diffraction, Joint transforms, Photoresist materials, Modulation
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Optical key bit stream generator
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602274
TOPICS: LCDs, Polarization, Logic, Mirrors, Electronics, Computer simulations, Clocks, Liquid crystals, Polarizers, Computing systems
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Using the joint transform correlator as the feature extractor for the nearest neighbor classifier
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602059
TOPICS: Optical correlators, Joint transforms, Information security, Optoelectronics, Tolerancing, Optical engineering, Network security, Fourier transforms, Image processing, Signal to noise ratio
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Optical image encryption based on XOR operations
JongWook Han, Choon-Sik Park, Dae-Hyun Ryu, Eun-Soo Kim
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602060
TOPICS: Image encryption, LCDs, Optical image encryption, Polarization, Computer security, Binary data, Logic, Image processing, Liquid crystals, Computer simulations
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New optical security device based on one-hundred-year-old photographic technique
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602061
TOPICS: Photography, Information security, Holograms, Photopolymers, Manufacturing, Cameras, Prisms, Holography, Silver, Optical engineering
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Novel implementation of nonlinear joint transform correlators in optical security and validation
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602062
TOPICS: Holograms, Optical correlators, Information security, Joint transforms, Diffraction, Wavefronts, Nonlinear optics, Holography, Computer programming, Collimation
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Laser-diode-based joint transform correlator for fingerprint identification
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602063
TOPICS: Optical correlators, Semiconductor lasers, Absorption, Joint transforms, Fourier transforms, Spatial frequencies, Computer simulations, Spatial filters, Optical filters, Beam splitters
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Windowed binary joint transform correlation with feedback
Steven Verrall
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602266
TOPICS: Binary data, Joint transforms, Tolerancing, Facial recognition systems, Optical engineering, Gesture recognition, Fourier transforms, Signal to noise ratio, Optical correlators, Neural networks
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Gratings of constantly varying depth for visual security devices
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602064
TOPICS: Diffraction gratings, Diffraction, Visualization, Holography, Photoresist materials, Holograms, Polarization, Electromagnetism, Optical engineering, Reflectivity
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High-speed fingerprint verification using an optical correlator
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602065
TOPICS: Optical correlators, Spatial light modulators, Field programmable gate arrays, Prisms, Optical filters, CCD cameras, Semiconductor lasers, Composites, Optical engineering, Video
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Optimal trade-off filter for the correlation of fingerprints
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602075
TOPICS: Image filtering, Optimal filtering, Distortion, Computer programming, Databases, Optical filters, Spatial light modulators, Optical correlators, Electronic filtering, Tolerancing
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Techniques to improve binary joint transform correlator performance for fingerprint recognition
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602066
TOPICS: Optical correlators, Binary data, Fingerprint recognition, Spatial light modulators, Joint transforms, Cameras, Fourier transforms, CCD cameras, Optical engineering, Databases
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GAS PERMEABILITY
Gas permeability through thin-foil X-ray filters
June Tveekrem, Ritva Keski-Kuha, Andrew Webb
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602248
TOPICS: Helium, Optical filters, Aluminum, Sensors, X-rays, Calibration, Nickel, Neon, Spectroscopy, Cryogenics
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Image Processing
Video tape recorder head inspection using image processing techniques
Choonsuk Oh, Young Kee Ryu, Byoung Roh
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602067
TOPICS: Head, Inspection, Video, Image processing, Magnetism, Video processing, Algorithm development, Optical engineering, Digital signal processing, Glasses
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LASER PULSE SIMULATION
Three-dimensional laser simulation code on a desktop personal computer: nonlinear propagation and Fresnel's distribution
Thierry Bontoux, Yoshinori Kato, Masahiro Nakatsuka
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602272
TOPICS: Optical simulations, Computer simulations, Optical components, Nonlinear optics, Diffraction, Wave propagation, Fourier transforms, Algorithm development, Beam propagation method, Laser beam propagation
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LIDAR
Error analysis of SO2 measurement by multiwavelength differential absorption lidar
Tetsuo Fukuchi, Naohiko Goto, Takashi Fujii, Koshichi Nemoto
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602068
TOPICS: Error analysis, Ozone, Visibility, Absorption, LIDAR, Photons, Backscatter, Mass attenuation coefficient, Receivers, Atmospheric particles
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MICROLENSES
Etching selectivity control during resist pattern transfer into silica for the fabrication of microlenses with reduced spherical aberrations
Marco Severi, Patrick Mottier
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602069
TOPICS: Etching, Microlens, Silica, Photoresist materials, Reactive ion etching, Semiconducting wafers, Spherical lenses, Plasma, Control systems, Monochromatic aberrations
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OPTICAL COMMUNICATION
New method for developing optical code division multiplexed access sequences using genetic algorithm
Dan Sadot, Uri Mahlab, V. Natan
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602070
TOPICS: Genetic algorithms, Algorithm development, Receivers, Binary data, Multiplexing, Transmitters, Optical correlators, Signal processing, Optical filters, Filtering (signal processing)
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REAL-TIME HOLOGRAPHY
Numerical analysis of real-time holography in bacteriorhodopsin films
Takayuki Okamoto, Toshihiro Fujiki, Yoshiko Okada, Ichirou Yamaguchi
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602071
TOPICS: Diffraction, Holography, Refractive index, Absorption, Numerical analysis, Beam propagation method, Molecules, Diffraction gratings, Refraction, Absorbance
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RETROREFLECTORS
Measurement and characterization of angular reflectance for cube-corners and microspheres
George Seward, Pamela Cort
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602077
TOPICS: Reflectivity, Retroreflectors, Solids, Sensors, Polarization, Optical spheres, Refraction, Deconvolution, Mirrors, Reflectors
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STRAIN MEASUREMENT
Strain microscope with grating diffraction method
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602072
TOPICS: Diffraction gratings, Diffraction, Microscopes, Image quality, Spatial resolution, Objectives, CCD image sensors, Image processing, Light sources, Optical engineering
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WAVEGUIDES
Chromatic dispersion in rectangular geometry waveguides
Anca-Liliana Sala, Mirko Mirkov, Robert Deck, Brian Bagley
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602194
TOPICS: Dispersion, Waveguides, Optical fibers, Picosecond phenomena, Single mode fibers, Photonic integrated circuits, Cladding, Lithium, Solids, Glasses
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Communications
Image compression using ac prediction
Mika Helsingius, Pauli Kuosmanen
Opt. Eng. 38(1), (1 January 1999) doi:10.1117/1.602252
TOPICS: Image compression, Quantization, Image quality, Computer programming, Visualization, Image processing, Optical engineering, Signal processing, Modulation, Nonlinear filtering
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