Fiber-optic/photoelastic device measures gas pressures up to 600 psi at operating temperatures as high as 1,100 degrees C. Pressure on fused-silica sensing element gives rise to birefringence via photoelastic effect. Polarization of light changed by birefringence; change in polarization measured and used to infer pressure causing it. Device prototype of gas-pressure sensor for aircraft engine. Mounted in engine at or near desired measurement point, where it responds to both time-varying and steady components of pressure.


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    Titel :

    Fiber-Optic Photoelastic Device Senses Pressure Of Hot Gas


    Beteiligte:
    Redner, Alex S. (Autor:in) / Wesson, L. N. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.1995



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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