Photorefractive effects in novel polymer nanocomposites

Alexander Sergeevich Kuzhelev; I. V. Yurasova; Oleg Leonidovich Antipov; William E. Douglas; Larisa G. Klapshina; Vladimir Viktotovich Semenov; George A. Domrachev; Tatyana I. Lopatina

doi:10.1117/12.417717

2 March 2001 Photorefractive effects in novel polymer nanocomposites

Alexander Sergeevich Kuzhelev, I. V. Yurasova, Oleg Leonidovich Antipov, William E. Douglas, Larisa G. Klapshina, Vladimir Viktotovich Semenov, George A. Domrachev, Tatyana I. Lopatina

Author Affiliations +

Proceedings Volume 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control; (2001) https://doi.org/10.1117/12.417717
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

We present the results of chemical development and optical investigation of the extraordinarily large photorefractive effect in the new polymer nanocomposites. The composites are composed of poly(ethynylene)arylenesilanes as optical chromophores, poly(9-vinylcarbazole) as photoconductor, N- ethylcarbazole and phenyltrimethoxysilane as plasticizer, and C₇₀ and C₆₀ fullerenes as charge generators. The magnitude of the change in photorefractive index and its origin, and temporal behavior were studied at 633 nm by a variety of nonlinear optical techniques, including nonlinear lens method, four-wave mixing and two-beam coupling. The relaxation time of the photorefractive index changed in a range from a few seconds to tens of minutes at changing beam intensity.

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Alexander Sergeevich Kuzhelev, I. V. Yurasova, Oleg Leonidovich Antipov, William E. Douglas, Larisa G. Klapshina, Vladimir Viktotovich Semenov, George A. Domrachev, and Tatyana I. Lopatina "Photorefractive effects in novel polymer nanocomposites", Proc. SPIE 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control, (2 March 2001); https://doi.org/10.1117/12.417717

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