Phase-only optical encryption

被引:178
作者
Mogensen, PC [1 ]
Glückstad, J [1 ]
机构
[1] Riso Natl Lab, Opt & Fluid Dynam Dept, DK-4000 Roskilde, Denmark
关键词
D O I
10.1364/OL.25.000566
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We have implemented a phase-only optical encryption and decryption system with a readout based on the generalized phase-contrast method. The experimental system has been implemented with Liquid-crystal spatial light modulators to generate binary phase-encrypted masks and a decrypting key. A phase-contrast filter is used to display the phase information. (C) 2000 Optical Society of America. OCIS codes: 230.6120, 230.3720, 120.5060, 100.1160, 100.5090, 070.2580.
引用
收藏
页码:566 / 568
页数:3
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