We propose a chirped Bragg grating interrogator for a uniform Bragg grating sensor. The wavelength of light reflected by the sensing grating is a function of strain. The position within the chirped Bragg gating the light is reflected from is a function of its wavelength. We determine this position by amplitude modulating the light source and measuring the phase of the reflected light and thus determine the value of the strain.


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    Title :

    Chirped fiber optic Bragg grating interrogator for a Bragg grating strain sensor


    Contributors:


    Publication date :

    2002-01-01


    Size :

    169280 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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