Complex, computer-generated phase holograms written in thin films of poly(methyl methacrylate) (PMMA) by process of electron-beam exposure followed by chemical development. Spatial variations of phase delay in holograms quasi-continuous, as distinquished from stepwise as in binary phase holograms made by integrated-circuit fabrication. Holograms more precise than binary holograms. Greater continuity and precision results in decreased scattering loss and increased imaging efficiency.


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    Title :

    Phase Holograms In PMMA


    Contributors:

    Published in:

    Publication date :

    1994-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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