Chemical absorption is investigated using the evanescent fraction of a whispering gallery mode (WGM). An effective absorption path length of about 50 cm is obtained in methane sensing and about 100 cm in a liquid dye solution.


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    Title :

    Evanescent-wave chemical sensing using WGM microresonators


    Contributors:
    Farca, G. (author) / Shopova, S.I. (author) / Elizondo, L.A. (author) / Naweed, A. (author) / Rosenberger, A.T. (author)


    Publication date :

    2004-01-01


    Size :

    145372 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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