Full Phase Encoding for Digital Holographic Encryption Using Liquid Crystal Spatial Light Modulators

淡江大學機構典藏 > 工學院 > 電機工程學系暨研究所 > 期刊論文 > Item 987654321/50721

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题名:	Full Phase Encoding for Digital Holographic Encryption Using Liquid Crystal Spatial Light Modulators
作者:	Tu, Han-yen;江正雄;Chiang, Jen-shiun;Chou, Jin-wen;Cheng, Chau-jern
贡献者:	淡江大學電機工程學系
关键词:	phase encoding;encryption;digital holography;spatial light modulators
日期:	2008-12
上传时间:	2010-08-10 15:26:37 (UTC+8)
出版者:	Tokyo: Japan Society of Applied Physics
摘要:	This work describes a full phase encoding technique for digital holographic encryption based on liquid crystal spatial light modulators, which are operated in the phase modulation mode to perform the phase-encoding object and the double random phase key masks for optical Fresnel encryption. The architecture of four-step phase-shifting digital holography is used to generate the double key holograms for implementing the encryption and decryption. Experimental results show the feasibility of the full phase encoding encryption with double keys for high-data-security properties. The proposed encryption system with electrically addressed spatial light modulators provides the flexibility of the key mask design by on-line processing.
關聯:	Japanese Journal of Applied Physics 47(12), pp.8838-8843
DOI:	10.1143/JJAP.47.8838
显示于类别:	[電機工程學系暨研究所] 期刊論文

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