In this paper we present spatially resolved experimental observations of simultaneous presence of positive and negative nonlinear dephasing response in chalcogenide optical glass As/sub 2/Se/sub 3/. The technique is based on a pump/probe experiment using a Mach-Zehnder interferometer combined with a CCD camera where only one laser shot is needed to obtain a great number of measurement. The positive and negative nonlinear refractive index change in As/sub 2/Se/sub 3/ is discussed.


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    Title :

    Experimental evidence of positive and negative nonlinear refractive index change in As/sub 2/Se/sub 3/


    Contributors:
    Boudebs, G. (author) / Cherukulappurath, S. (author) / Leblond, H. (author) / Sanchez, F. (author) / Troles, J. (author) / Smektala, F. (author)


    Publication date :

    2003-01-01


    Size :

    66091 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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