Electrically actuated shutter designed to operate many thousands of time at cryogenic temperatures. Open shutter allows light at wavelenghts between 1 and 300 micrometers to enter instrument measures background cosmic radiation. Closed shutter blocks outside radiation from instrument and positions mirror to reflect light from internal source to instrument calibrated. Designed, if power failure occurs, shutter remains in or assumes open position so measurements continue without calibration.


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    Titel :

    Cryogenic Shutter


    Beteiligte:
    Tyler, Allen (Autor:in) / De Kramer, Casey (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.1987



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Cryogenic Shutter Mechanism

    Barney, Richard D. / Magner, Thomas J. | NTRS | 1989


    A Low Power Cryogenic Shutter Mechanism for Use in Infrared Imagers

    Schwinger, S. / Hakun, C. / United States | British Library Conference Proceedings | 2000


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    Shutter

    TANG SIMI / LI XIBIN / ZHANG LI et al. | Europäisches Patentamt | 2020

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    SHUTTER

    YAMAGUCHI TADASHI / CHAKITA HIROSHI | Europäisches Patentamt | 2019

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