There has been considerable interest in developing high sensitivity fiber optic magnetic field sensors using primarily interferometric configurations In this paper, a fiber optic sensor based on the extrinsic Fabry-Perot interferometer (EFPI) is demonstrated to measure low DC-magnetic fields (100 Oe - 40,000 Oe). A Metglas (Fe/sub 77.5/B/sub 15/Si/sub 7.5/) wire-based magnetostrictive transducer is used as the reflector in the EFPI sensor. The simple sensor geometry gives both low vibration sensitivity and high temperature stabilization.


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    Title :

    Fiber optic EFPI-based sensor for low magnetic field measurement


    Contributors:
    Ki Dong Oh (author) / Ranade, J. (author) / Arya, V. (author) / Wang, A. (author) / Claus, R.O. (author)


    Publication date :

    1996-01-01


    Size :

    178767 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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