State-of-the-art two-dimensional acousto-optical spectrum analyzer processes input radio-frequency signal in real time into components in any number of spectral channels up to about 10(Sup5). Input radio-frequency signal to be analyzed launched via transducer into acousto-optical device along x axis. Acousto-optical device becomes Bragg cell. Pulsed plane waves of light from laser aimed at Bragg cell, which spatially modulates phases of plane waves and diffracts waves according to pattern of acoustic signal.


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    Title :

    Two-Dimensional Acousto-Optical Spectrum Analyzer


    Contributors:

    Published in:

    Publication date :

    1991-09-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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