Integrated optical comparator compares reference and signal voltages by their effects on coherent light beam. If both voltages are same, beam is essentially unperturbed. If voltages differ, light is deflected by previously recorded hologram to detector.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Optical comparator uses holographic subtraction


    Contributors:

    Published in:

    Publication date :

    1980-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Fast Holographic Comparator

    Vahey, D. W. | NTRS | 1982


    Optical Image Subtraction

    Liu, Hua-Kuang / Chao, Tien-Hsin | NTRS | 1988


    Comparator

    ZHOU DACHENG / BERKRAM DANIEL ALAN / BARNHILL RYAN et al. | European Patent Office | 2019

    Free access

    Conductivity comparator

    Ploshinskii, A.V. / Khazhuev, V.N. / Khakhamov, I.V. | Tema Archive | 1985


    Picture-Element Comparator

    Gennery, D. B. | NTRS | 1986