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Multiobject recognition in a multichannel joint-transform correlator

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Abstract

A multichannel joint-transform correlator that incorporates a Dammann grating as a beam splitter is described. The Dammann grating splits a single incident beam into a two-dimensional array of equal-intensity beams, which form several channels for correlation. Each channel contains both a single target and a single reference. Optical experimental results are presented.

© 1995 Optical Society of America

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