On-line Full-Phase Digital Holographic Encryption Based on Electrically Addressed Spatial Light Modulators

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Title:	On-line Full-Phase Digital Holographic Encryption Based on Electrically Addressed Spatial Light Modulators
Authors:	Tu, Han-yen;江正雄;Chiang, Jen-shiun;Chou, Jin-wen;Cheng, Chau-jern
Contributors:	淡江大學電機工程學系
Keywords:	online full-phase digital holographic encryption;double random key masks;electrically addressed liquid-crystal spatial light modulators;optical processing;phase-shifting digital holography;decryption;computer-programmable key masks;data security;online processing
Date:	2009-03-01
Issue Date:	2010-08-09 19:30:24 (UTC+8)
Publisher:	Institution of Engineering and Technology (IET)
Abstract:	A novel full-phase digital holographic encryption scheme with double random key masks, which are performed by electrically addressed liquid-crystal spatial light modulators for optical processing, is demonstrated. Phase-shifting digital holography is employed to generate the key holograms derived from the double key masks for implementing the encryption and decryption. The experimental results show the feasibility of the full-phase encryption scheme with computer-programmable key masks for securing data via online processing.
Relation:	Electronics Letters 45(7), pp.371-373
DOI:	10.1049/el.2009.3263
Appears in Collections:	[Graduate Institute & Department of Electrical Engineering] Journal Article

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