Summary form only given. For trace gas monitoring, compact tunable (20-30 GHz), wavelength modulatable sources with output powers in the order of /spl sim/100 /spl mu/W and linewidths better than 100 MHz are in great demand for wavelength modulation spectroscopy. Tunable fiber laser sources, with their intrinsic long cavities and narrow linewidth outputs, are attractive alternatives. In this paper we report on the design and implementation of novel continuously tunable 1.5 /spl mu/m fiber lasers based on the combination of fiber Bragg gratings and the transmissive filtering, properties of high finesse fiber Fabry-Perot (FFP) filters. Built from off-the-shelf components, the concept is simple and easily adaptable to many wavelength ranges depending on the choice of fiber Bragg grating and/or doped glass medium.


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    Title :

    Novel wavelength-modulatable and continuously tunable narrow-linewidth fiber lasers for trace gas spectroscopy


    Contributors:
    Libatique, N.C. (author) / Hsu, K. (author) / Jain, R.K. (author)


    Publication date :

    1999-01-01


    Size :

    277103 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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