Two different optical structuring of organic materials using optical beams is described. Both methods rely on repeated trans-cis isomerization effects induced by resonant light absorption in polymers films containing azo-dyes. The first method is the formation of an optically induced second harmonic grating with phase-matched pattern related to the net reorientation of azo-dyes induced by light. The second method is the self structuring of hexagonal patterns in polymer films related to the net translation of azo-dyes induced by light.


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    Titel :

    Photoinduced microstructures and gratings in azo-polymer films


    Beteiligte:
    Nunzi, J.-M. (Autor:in)


    Erscheinungsdatum :

    01.01.2004


    Format / Umfang :

    86971 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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