In this paper a conceptual design is presented for a dynamic distributed holographic sensor for measuring the surface distortion of large segmented reflectors. The application is active control of large spaceborne telescopes. The sensor is based on holographic contouring with a multiple frequency source. Photorefractive crystals are used as the holographic recording media. Performance characteristics based on analysis of thick film holographic recording in photorefractive media and sensing requirements for large reflectors will be presented.


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    Title :

    Characteristics of a dynamic holographic sensor for shape control of a large reflector


    Additional title:

    Eigenschaften eines dynamischen holographischen Sensors für die Lageregelung eines großen Reflektors


    Contributors:
    Welch, S.S. (author) / Cox, D.E. (author)


    Publication date :

    1991


    Size :

    9 Seiten, 5 Bilder, 13 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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