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Proceedings Paper

Compact updatable optical correlator
Author(s): Doron Malka; Silviu Reinhorn; Yaakov Amitai; Asher A. Friesem
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Paper Abstract

A compact configuration for a real-time updatable optical correlator is considered. The correlator is designed to operate with incoherent illumination and efficient phase filters, which can be implemented with real-time, updatable, electronically addressed, liquid-crystal spatial light modulator. In order to obtain both a rigid and a compact correlator, a configuration which can be incorporated with planar optics is investigated. The overall correlator includes two pairs of diffractive lenses, each for performing a Fourier transformation, one spatial light modulator and input and output interface devices. The design consideration and fundamental limits of a compact updatable correlator using off-axis, diffractive lenses are presented, along with some experimental results.

Paper Details

Date Published: 22 September 1997
PDF: 5 pages
Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997); doi: 10.1117/12.281324
Show Author Affiliations
Doron Malka, Weizmann Institute of Science (Israel)
Silviu Reinhorn, Weizmann Institute of Science (Israel)
Yaakov Amitai, Weizmann Institute of Science (Israel)
Asher A. Friesem, Weizmann Institute of Science (Israel)

Published in SPIE Proceedings Vol. 3110:
10th Meeting on Optical Engineering in Israel
Itzhak Shladov; Stanley R. Rotman, Editor(s)

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