We present a simple method to convert a Gaussian laser beam into an annular beam with sub-millimeter diameter and a width of a few tens of microns using a homeotropically oriented nematic liquid crystal.


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    Title :

    Creation of a hollow laser beam using self-phase modulation in a nematic liquid crystal


    Contributors:


    Publication date :

    2004-01-01


    Size :

    99006 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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