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Article
Beam Profile Monitoring of Synchrotron Radiation by Adaptive Optics
A beam profile monitoring system for synchrotron radiation, designed to evaluate the distribution of a cross section of the electron beam in a high-energy accelerator storage ring in real-time is descripted. T...
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Article
Diffraction-Based Spatial Light Modulation: Transverse Linear Electrooptic Effect in Polymers
We propose a new type of spatial light modulator using nonlinear organic polymer film as a phase modulation element. Using polymer poly-Disperse Red-19 Toluendiiso-cyanate, a more than 150:1 contrast ratio has...
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Article
Spatial Arrangement of Small Particles by Imaging Laser Trap** System
We describe spatial arrangement of polystyrene latex using a microscopic imaging system. A reduced photomask pattern is imaged on the particles in a water-filled cell so that polystyrene spheres align in a two...
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Article
Optical Entropy Network Mapped from Binary Feature Tree
The concept of a binary feature tree (BFT) and the principle of its formation are described. A pattern is divided into sub-parts by comparing its similarity with other patterns. The BFT is established by sub-p...
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Article
Optimal Incoherent Filtering for Distortion-Invariant Image Recognition
An optimal incoherent filter is proposed for distortion-invariant correlation. The optical transfer function (OTF) of the correlator is specified as a realizable phase-only term which is optimized by the simul...
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Article
Adaptive computer-generated hologram using interpolation method
Kinoform synthesis by an electro-optic hybrid system using an interpolation method is proposed. A programmable liquid crystal spatial light modulator is used as a kinoform. The phase distribution of the kinofo...
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Article
Adaptive computer-generated hologram using interpolation method
Kinoform synthesis by an electro-optic hybrid system using an interpolation method is proposed. A programmable liquid crystal spatial light modulator is used as a kinoform. The phase distribution of the kinofo...
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Article
Development of spatial light modulators with nonlinear organic materials
An electrically addressable spatial light modulator is designed using nonlinear organic materials for optical information processing and display. One candidates for spatial light modulator (SLM) material is a ...
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Article
Optical Module for Modified Signed-Digit Computing Based on Bit Plane Encoding and Pattern Operations
We propose here a new optical modified signed-digit (MSD) adder module based on bit plane pattern encoding of MSD digits and pattern operations. The pattern operations required in the algorithm are duplication...
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Article
Broad-Band Light-Wave Correlation Topography Using Wavelet Transform
The absolute longitudinal distance between two points can be determined by the corresponding correlation peaks of two light-waves from a broad-band light source. Using this technique, the height of three-dimen...
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Article
Parallel Modified Signed-Digit Computing for Large-Scale Two Dimensional Data Array
We propose a novel parallel algorithm of modified signed-digit (MSD) computing, in which MSD digits are encoded to three bit plane (BP) patterns. The addition of two MSD data arrays is performed with two steps...
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Article
Proceedings of the 25th annual meeting