Phase-dominant spatial light modulators
- 12 May 1988
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 24 (10) , 626-627
- https://doi.org/10.1049/el:19880424
Abstract
Computer simulation results are given for an optical correlator in which the spatial light modulator has a strong phase modulation and a weak proportional amplitude modulation at each pixel. The signal/noise ratio on the correlation plane is found to be much higher than that of a matched filter, and the residual signal-dependent amplitude modulation improves the system performance in some cases.Keywords
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