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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/50721

    Title: Full Phase Encoding for Digital Holographic Encryption Using Liquid Crystal 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: phase encoding;encryption;digital holography;spatial light modulators
    Date: 2008-12
    Issue Date: 2010-08-10 15:26:37 (UTC+8)
    Publisher: Tokyo: Japan Society of Applied Physics
    Abstract: 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.
    Relation: Japanese Journal of Applied Physics 47(12), pp.8838-8843
    DOI: 10.1143/JJAP.47.8838
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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