Mach-Zehnder interferometer sensors fabricated with conventional nonpolarization-preserving fibers are subject to polarization fading caused by temperature variations and minor positional changes in the sensor. We calculate the probability of a given decrease in sensitivity and in signal-to-noise ratio due to fading assuming the polarization of the light in the signal and reference legs is uncorrelated and drifts randomly. The resultant reduction of the signal-to-noise ratio may exceed 10 dB 10 percent of the time and exceed 20 dB more than 2 percent of the time.


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    Title :

    Polarization fading in fiber interferometric sensors


    Additional title:

    Polarisationsfading bei interferometrischen Lichtleitersensoren


    Contributors:
    Stowe, D.W. (author) / Moore, D.R. (author) / Priest, R.G. (author)

    Published in:

    Publication date :

    1982


    Size :

    4 Seiten, 2 Bilder, 12 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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