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Proceedings Paper

Using liquid-crystal TVs in Vander Lugt optical correlators
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Paper Abstract

Implementation of a liquid crystal television (LCTV) for a binary phase only converging beam Vander Lugt correlator system is described. The peculiar pixel array structure of the LCTV characterized by diffraction, scaling, and sampling is presented in a generalized form that can be easily adapted to any pixelated spatial light modulator. It is concluded that twisted nematic LCTV has a potential for becoming an effective and inexpensive spatial light modulator. The twisted nematic LCTV is capable of providing both continuous amplitude and phase modulation and can be used for a variety of real-time optical pattern recognition applications.

Paper Details

Date Published: 1 November 1991
PDF: 13 pages
Proc. SPIE 1564, Optical Information Processing Systems and Architectures III, (1 November 1991); doi: 10.1117/12.49731
Show Author Affiliations
Natalie Clark, New Mexico State Univ. (United States)
Charles M. Crandall, New Mexico State Univ. (United States)
Michael K. Giles, New Mexico State Univ. (United States)

Published in SPIE Proceedings Vol. 1564:
Optical Information Processing Systems and Architectures III
Bahram Javidi, Editor(s)

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