Expensive optical-grade components in holographic interferometer are replaced with plastic test section and large-aperture spherical mirror to reduce distortions introduced by imperfections and cylindrical shape of plastic. Instrument is used for shock-tube gas density studies and is adaptable to wind-tunnel studies of vehicle windshields and other testing.


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    Title :

    Double-exposure holographic interferometer


    Contributors:

    Published in:

    Publication date :

    1976-08-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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