We use white-light continuum Z-scan to measure the degenerate two-photon absorption spectrum and associated dispersion of the nonlinear refraction, n/sub 2/, of ZnSe/spl middot/n/sub 2/ changes sign at around 0.7 of the bandgap energy as predicted.


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    Title :

    Two-photon absorption and the dispersion of nonlinear refraction using a white-light continuum Z-scan


    Contributors:
    Balu, M. (author) / Hales, J. (author) / Hagan, D.J. (author) / Van Stryland, E.W. (author)


    Publication date :

    2005-01-01


    Size :

    434934 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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