A novel intensity-modulated fiber Bragg grating (FBG) sensor system employing fiber dispersion is presented. A RF signal is generated at a photodetector by two modulated optical signals reflected from a sensing and a reference FBG. Bragg wavelength shift of the sensing FBG changes intensity of the RF signal due to a fiber dispersion-induced phase change, with temperature effect being compensated automatically by the reference FBG. Strain measurement with a maximum sensitivity of -0.34 ¿V/¿¿ has been achieved.


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    Titel :

    Intensity-Modulated Fiber Bragg Grating Sensor System Employing Fiber Dispersion


    Beteiligte:
    Dong, Xinyong (Autor:in) / Tam, H. Y. (Autor:in) / Shum, P. (Autor:in)


    Erscheinungsdatum :

    01.12.2008


    Format / Umfang :

    208331 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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