In this paper, we consider a technique which is both diffractive and interferometric for converting a linearly polarized TEM laser beam into a radially polarized beam with uniform azimuthal intensity distribution. The basic idea is to achieve the coherent summation of two orthogonally polarized Hermite-Gaussian TEM and TEM beams by using a vectorial Mach-Zehnder interferometer. The beam transformation TEM/sub 00//spl rarr/TEM/sub 10/ and TEM/sub 00//spl rarr/TEM/sub 01/ is achieved in each interferometer arm by using a simple diffractive optical element which is referred as a phase step which is made of a transparent glass on which a thin polymer film is deposited.


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    Titel :

    Optimization of interferometric generation of radially polarized laser beam


    Beteiligte:
    Passilly, N. (Autor:in) / de Saint Denis, R. (Autor:in) / Ait-Ameur, K. (Autor:in) / Treussart, F. (Autor:in) / Hierle, R. (Autor:in) / Roch, J.-F. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    193317 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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