A fiber optic sensor system capable of detecting the strain distribution in a long length of optical fiber containing a series of fiber Bragg gratings is described. The technique utilizes RF sub-carrier based determination of the optical propagation time between the grating elements, and wavelength division-based addressing of the individual FBGs in the system. The approach will have applications in structural strain monitoring where long gage length sensing is required at multiple locations.


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    Titel :

    Subcarrier-based path-integrating strain sensor array utilizing fiber Bragg gratings


    Beteiligte:

    Kongress:

    Distributed and Multiplexed Fiber Optic Sensors IV ; 1994 ; San Diego,CA,United States


    Erschienen in:

    Erscheinungsdatum :

    1994-09-21





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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