We introduce a Mach-Zehnder interferometer whose optical path difference is controlled by a tunable optical delay line. Using the interferometer as a demodulator for fiber Bragg grating sensors, intensity-based measurement of dynamic strain with a wide range of 0/spl sim/1880 /spl mu/strain and 0/spl sim/1 kHz is experimentally demonstrated.


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    Title :

    A novel method to measure dynamic strain using optical-path controlled Mach-Zehnder interferometer and fiber Bragg grating sensor


    Contributors:


    Publication date :

    1998-01-01


    Size :

    214281 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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