An optical sensor for drag-free satellites is described. It is based on using fluorescent re-emission from the proof mass excited by a pulsed ultraviolet source, a technique that separates the frequencies of the excited and excitant light fluxes. A theoretical analysis of the performance and linearity of the sensor was verified by the results on a laboratory prototype. The sensor provided a measure of the position of a 4 cm radius proof mass in a 10 cm cavity to an accuracy of 1 mm. Null drift and thermal gradients caused errors less than 0.05 mm.


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    Titel :

    An optical sensor for the drag-free satellite


    Beteiligte:
    De Hoff, R. L. (Autor:in) / Powell, J. D. (Autor:in)

    Kongress:

    Symposium on Automatic Control in Space ; 1976 ; Rottach-Egern, Germany


    Erscheinungsdatum :

    01.01.1976


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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