This paper proposes the construction of an optical fiber (OF) humidity sensor based on a thermal lens (TL) detection technique. The sensing head is comprised of two spherical lensed fibers (SLFs) that are assembled across from each other. A 1.48 /spl mu/m wavelength multimode oscillation laser diode (fiber-out power: 100 mW) was used as the pumping laser beam to excite the TL because there is a peek for optical absorption of water in the vicinity of this wavelength. Accordingly, it was demonstrated that our TL sensor functions as a hygrometer.


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    Titel :

    Optical fiber sensor for humidity monitoring based on thermal lens detection technique


    Beteiligte:
    Yarai, A. (Autor:in) / Nakanishi, T. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    230230 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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