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  • 1
    Electronic Resource
    Electronic Resource
    Photoassisted poling of azo dye doped polymeric films at room temperature (1992)
    Springer
    Applied physics 54 (1992), S. 486-489 
    Details
    ISSN: 1432-0649
    Keywords: 82.40-m ; 78.65Hc ; 42.79Gn
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The reversible cis-trans photoisomerization of disperse red 1 (DR1) in PMMA thin films has been demonstrated to be strongly polarization sensitive [1]. In this communication two mechanisms are identified: the angular hole burning and the angular redistribution of molecules. It is shown that, in the presence of a DC electric field, the redistribution is not centrosymmetric and produces a poling of the film. The evolution of the second-order nonlinear susceptibility, χ(2), is monitored by measuring the electro-optic effect by attenuated total reflection and by second-harmonic generation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00325395
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