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Proceedings Paper

Design and experimental demonstration of a reduced-resolution optical correlator
Author(s): Paul C. Miller
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Paper Abstract

Several designs for a reduced resolution optical correlator are proposed. The design of reduced resolution filters by multiresolution wavelet analysis (MWA) or by downsampling is extended to spatial light modular with fill-factors less than one. A reduced resolution optical correlator is constructed based on one of the above designs, and a comparison of MWA and downsampling filters is performed for different size targets. The experimental results show good qualitative agreement with simulation; however, the first-order correlation peaks were found to be greater for the experimental results. A possible reason for this is suggested and a new technique for measuring the fill-factor is proposed.

Paper Details

Date Published: 24 October 1997
PDF: 11 pages
Proc. SPIE 3159, Algorithms, Devices, and Systems for Optical Information Processing, (24 October 1997); doi: 10.1117/12.279442
Show Author Affiliations
Paul C. Miller, Defence Science and Technology Organisation (Australia)

Published in SPIE Proceedings Vol. 3159:
Algorithms, Devices, and Systems for Optical Information Processing
Bahram Javidi; Demetri Psaltis, Editor(s)

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