Joint Transform Real Time Optical Correlator Using A Noncrystalline Film Of As[sub]2[/sub]S[sub]3[/sub]

T. Wang; H. Zheng

doi:10.1117/12.935556

13 December 1983 Joint Transform Real Time Optical Correlator Using A Noncrystalline Film Of As₂S₃

T. Wang, H. Zheng

Proceedings Volume 0402, Three-Dimensional Imaging; (1983) https://doi.org/10.1117/12.935556
Event: 1983 International Technical Conference/Europe, 1983, Geneva, Switzerland

Abstract

A noncrystalline film of As2S3 is used as a nonlinear recording material of the joint transform optical processor. Real time cross correlation between two transparencies is demonstrated using the optical processor. The authors observed cross correlation peaks between two photographs of identical words. The set-up can be applied to compare fingerprints.

Citation Download Citation

T. Wang and H. Zheng "Joint Transform Real Time Optical Correlator Using A Noncrystalline Film Of As₂S₃", Proc. SPIE 0402, Three-Dimensional Imaging, (13 December 1983); https://doi.org/10.1117/12.935556

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