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Nonlinear optical security system based on a joint transform correlator in the Fresnel domain

✍ Scribed by Vilardy, Juan M. ;Millán, María S. ;Pérez-Cabré, Elisabet

Book ID
121675369
Publisher
The Optical Society
Year
2014
Tongue
English
Weight
825 KB
Volume
53
Category
Article
ISSN
1559-128X

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In this paper, an optical asymmetric-image verification system based on the joint transform correlator architecture is proposed. An additional phase mask is attached to the spatial light modulator that displays the joint power spectrum as the amplitude information, to improve the system security and