Photoassisted poling of azo dye doped polymeric films at room temperature
作者： Z. Sekkat , M. Dumont
DOI: 10.1007/BF00325395
关键词: Poling 、 Optics 、 Materials science 、 Doping 、 Thin film 、 Dichroism 、 Photochemistry 、 Attenuated total reflection 、 Electric field 、 Photoisomerization 、 Redistribution (chemistry)
摘要: 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 redistribution molecules. It is shown that, presence a DC electric field, not centrosymmetric produces poling film. evolution second-order nonlinear susceptibility, χ(2), monitored by measuring electro-optic effect attenuated total reflection second-harmonic generation.
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