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23 September 1994 Creation of second-order optical nonlinearity in polymer films by photochemical charge injection
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Abstract
Significant asymmetry and optical nonlinearity (second harmonic generation) can be produced by injection of electric charge into dye/polymer blends. The mechanism for producing the nonlinearity is different from the usual dipolar alignment of the dye in an electrostatic field. Charge injection has been achieved by purely electrical means using `in-plane' electrodes, or photochemically, by irradiating a bilayer structure comprising a photoconductive layer and the polymer/dye layer. This latter technique allows spatial modulation by light of nonlinear optical coefficients.
© (1994) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Garry Berkovic, Rami Cohen, and Ariela Donval "Creation of second-order optical nonlinearity in polymer films by photochemical charge injection", Proc. SPIE 2285, Nonlinear Optical Properties of Organic Materials VII, (23 September 1994); https://doi.org/10.1117/12.187503
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