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Proceedings Paper

Joint Transform Correlation Using An Amorphous Silicon Ferroelectric Liquid Crystal Spatial Light Modulator
Author(s): David A. Jared; Kristina M. Johnson; Garret Moddel
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Paper Abstract

A joint transform correlator is demonstrated that utilizes a high-speed optically addressed spatial light modulator in the Fourier plane consisting of an hydrogenated amorphous silicon photodiode and a ferroelectric liquid crystal modulator. Results are shown for binary-amplitude modulation using a smectic C* ferroelectric liquid crystal operating at 4600frame/s, 20:1 contrast ratio, and 38lp/mm.

Paper Details

Date Published: 5 February 1990
PDF: 6 pages
Proc. SPIE 1151, Optical Information Processing Systems and Architectures, (5 February 1990); doi: 10.1117/12.962214
Show Author Affiliations
David A. Jared, University of Colorado (United States)
Kristina M. Johnson, University of Colorado (United States)
Garret Moddel, University of Colorado (United States)


Published in SPIE Proceedings Vol. 1151:
Optical Information Processing Systems and Architectures
Bahram Javidi, Editor(s)

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