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Journal article

Running gratings in photoconductive materials

By Kukhtarev, N. V.1; Kukhtareva, T.1; Lyuksyutov, S. F.2; Reagan, M. A.2; Banerjee, P. P.3; Buchhave, Preben4

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Alabama A and M University1

University of Akron2

University of Dayton3

Department of Physics, Technical University of Denmark4

Starting from the three-dimensional version of a standard photorefractive model (STPM), we obtain a reduced compact Set of equations for an electric field based on the assumption of a quasi-steady-state fast recombination. The equations are suitable for evaluation of a current induced by running gratings at small-contrast approximation and also are applicable for the description of space-charge wave domains.

We discuss spatial domain and subharmonic beam formation in bismuth silicon oxide (BSO) crystals in the framework of the small-contrast approximation of STPM. The experimental results confirming holographic current existence in BSO crystal are reported. (C) 2005 Optical Society of America.

Language: English
Year: 2005
Pages: 1917-1922
ISSN: 15208540 and 07403224
Types: Journal article
DOI: 10.1364/JOSAB.22.001917

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