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Optical Engineering

Electro-optical and photorefractive devices for optical information processing systems
Author(s): Anatoly A. Berezhnoy
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Paper Abstract

The operating principles of electro-optic and photorefractive spatial-temporal light modulators (STLMs) having electrical and light control are considered. An analysis of the characteristics of STLMs shows that they make it possible to carry out basic mathematical operations on 2-D optical signals in real time as well as providing for the entry, processing, and display of information. The presence of an optical memory for information in the form of images makes it possible to carry out multichannel spectral analysis of ratio signals, multichannel correlation, pattern recognition, etc.

Paper Details

Date Published: 1 June 1997
PDF: 3 pages
Opt. Eng. 36(6) doi: 10.1117/1.601193
Published in: Optical Engineering Volume 36, Issue 6
Show Author Affiliations
Anatoly A. Berezhnoy, S.I. Vavilov State Optical Institute (Russia)


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