Abstract
The joint-transform correlator [1] has some clear advantages over VanderLugt-type correlators [2] because it does not require critical filter positioning, and also real-time operation (both an input and a filter) is easier by using commercially available low-cost spatial light modulators (SLMs) [3, 4j. It does, however, require a recording material with high resolution.
© 1999 Optical Society of America
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