Receiver for optical communications uses rough reflector instead of diffraction-limited reflector customarily thought necessary for such systems. Rough reflector collects and focuses optical signal. Other receiver components include narrow-passband optical filter to reject out-of-band background radiation, spatial filter to limit receiver field of view, optical-detector array (typically two concentric detectors), and postdetection processor to reconstruct transmitted message.


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    Title :

    Optical Receivers With Rough Reflectors


    Contributors:

    Published in:

    Publication date :

    1989-03-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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