We demonstrate the operation of an extrinsic Fabry-Perot interferometric sensor modified for the detection of hydrogen gas. The sensor is sputter coated with a 2 /spl mu/m layer of palladium metal which senses as the active sensing element. A theoretical description of the sensor is given, and its operation as a dynamically varying hydrogen sensor is described. A maximum sensitivity of 32 ppm for this first generation sensor is predicted, and a discussion is given concerning methods for improving the resolution in future EFPI hydrogen gas sensors.


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    Titel :

    Modified extrinsic Fabry-Perot interferometric hydrogen gas sensor


    Beteiligte:
    Zeakes, J.S. (Autor:in) / Murphy, K.A. (Autor:in) / Elshabini-Riad, A. (Autor:in) / Claus, R.O. (Autor:in)

    Erschienen in:

    Proceedings of LEOS'94 ; 2 ; 235-236 vol.2


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    177838 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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