We present an optical encryption/decryption methods based on geometrical phase produced by space-variant polarization manipulation. The elements are formed by use of computer-generated space-variant subwavelength dielectric gratings.


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    Title :

    Spatial-polarization state scrambling for image encryption obtained with subwavelength gratings


    Contributors:
    Biener, G. (author) / Niv, A. (author) / Kleiner, V. (author) / Hasman, E. (author)


    Publication date :

    2005-01-01


    Size :

    1945885 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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