The paper discusses the development of an equipment which determines the height of an aircraft by measurement of the transit time of a pulse of laser light travelling from the transmitter to the ground, and back to the receiver. the transmitter source is a gaas laser diode mounted in a dewar, and cooled to 80 degree k by a self-regulating joule-thomson cooler. A cold cathode modulator is employed to drive the laser, the emitted energy being collimated by a multi-element transmitter lens.


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    Title :

    A pulsed laser altimeter


    Contributors:

    Published in:

    Publication date :

    1970


    Size :

    6 Seiten, 2 Bilder



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    German




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