Each member of a Fabry-Perot sensor family utilizes the same electro-optic hardware support system. This system consists of a broadband light source coupled into a fiber which transmits this broadband spectrum to the remote sensor element in a hostile, aircraft environment. The all-optical sensor element is a variable-gap Fabry-Perot cavity which modulates the reflected spectrum according to the gap dimension. The reflected spectrum is fiber-transmitted back to a microprocessor-based, color demodulation system. This color demodulation is accomplished by blazed grating dispersion over a charge-coupled-device (CCD). The microprocessor analyses the spectral data and - depending upon sensor element and associated software - converts it to measured parameter with typical accuracies of 1 %.


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    Title :

    Fiber optic sensor family utilizing Fabry Perot resonators for high performance aircraft system applications


    Additional title:

    Faseroptische Sensorfamilie mit Fabry-Perot-Resonatoren für Anwendung in leistungsfähigen Luftfahrtsystemen


    Contributors:
    James, K.A. (author) / Shrestha, N. (author) / Quick, W.H. (author)


    Publication date :

    1988


    Size :

    3 Seiten, 6 Bilder


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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