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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    Title :

    Photoinduced microstructures and gratings in azo-polymer films


    Contributors:


    Publication date :

    2004-01-01


    Size :

    86971 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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