We demonstrate a chemical sensor incorporating a self-aligned, symmetrically-clad high index contrast evanescent field sensing waveguide. Analyte overlap of 4.8% is obtained with a tightly confined mode, ideal for sensitive affinity assays.


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    Title :

    A diode laser chemical sensor utilizing an oxidized lower cladding layer for high sensitivity


    Contributors:
    Wang, C.S. (author) / Cohen, D.A. (author) / Nolde, J.A. (author) / Lofgreen, D.D. (author) / Coldren, L.A. (author)


    Publication date :

    2003-01-01


    Size :

    159659 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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