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Proceedings Paper

Influence of the external electric field on the energy exchange direction at the two-wave interaction in the photorefrative Bi12TiO20
Author(s): Oleg V. Kobozev; Rudolf V. Litvinov; Stanislav M. Shandarov
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Paper Abstract

We demonstrate experimentally and theoretically that the sign of two-wave coupling gain in sillenite crystal at some polarization of light changes with the increase of the amplitude of square-wave field applying along the axis. It is shown that the nonunidirectional energy exchange is the reason of this effect in Bi12TiO20 single crystal. Such energy exchange is bound with the contribution of the self-diffraction gyration effect into the efficiency of the two-wave interaction. At the theoretical analysis we used the mode obtained on the basic of the mode approach. Made the numerical calculation of the dependency of the two-wave coupling gain on the amplitude applied field has god agreement with the experimental data. This calculation has allowed estimating the material parameters of the investigated samples of the crystal.

Paper Details

Date Published: 27 August 1999
PDF: 7 pages
Proc. SPIE 3737, Design and Engineering of Optical Systems II, (27 August 1999); doi: 10.1117/12.360060
Show Author Affiliations
Oleg V. Kobozev, State Univ. of Control Systems and Radioelectronics (United States)
Rudolf V. Litvinov, State Univ. of Control Systems and Radioelectronics (Russia)
Stanislav M. Shandarov, State Univ. of Control Systems and Radioelectronics (Russia)


Published in SPIE Proceedings Vol. 3737:
Design and Engineering of Optical Systems II
Fritz Merkle, Editor(s)

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