Hole-Impeded-Doping-Superlattice (HIDS) InAs devices proposed for use as photoconductive or photovoltaic detectors of radiation in long-wavelength infrared (LWIR) range of 8 to 17 micrometers. Array of HIDS devices fabricated on substrates GaAs or Si. Radiation incident on black surface, metal contacts for picture elements serve as reactors, effectively doubling optical path and thereby increasing absorption of photons. Photoconductive detector offers advantages of high gain and high impedance; photovoltaic detector offers lower noise and better interface to multiplexer readouts.


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    Title :

    Hole-Impeded-Doping-Superlattice LWIR Detectors


    Contributors:

    Published in:

    Publication date :

    1991-09-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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