A multichannel Bragg grating fiber laser demodulation system capable of interrogating four or more Bragg grating sensors for strain and temperature monitoring has been designed and developed. System configuration and various practical considerations for a field deployable system are discussed. Preliminary data indicates a dynamic strain range in excess of 5000 (mu) (epsilon) at a resolution of 1 (mu) (epsilon) . Both the strain dynamic range and resolution are easily modified.


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    Title :

    Practical considerations for a four-channel multiplexed Bragg grating fiber sensor system


    Contributors:

    Conference:

    Fiber Optic Physical Sensors in Manufacturing and Transportation ; 1993 ; Boston,MA,United States


    Published in:

    Publication date :

    1994-02-07





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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