In this paper, fiber-optic cavity sensor based on cavity ringdown spectroscopy for monitoring hydrogen diffusion has been introduced. An external cavity diode laser (ECDL) has been used as tunable laser source (1520-1600 nm). The temporal evolution of the hydrogen diffusion out of the silica-based fiber cavity has been studied by measuring the ringdown times at different wavelengths every 24 h. The ringdown times are compared with a theoretical diffusion model. It has good agreement with the experimental results.


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    Titel :

    Fiber optical cavity monitoring of hydrogen diffusion


    Beteiligte:
    Vogler, D.E. (Autor:in) / Sigrist, M.W. (Autor:in)


    Erscheinungsdatum :

    01.01.2003


    Format / Umfang :

    70054 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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