Electro-optic glasses and glass ceramics for elements controlling laser radiation

Garegin O. Karapetyan; Andrey A. Lipovskii; V. V. Loboda; L. V. Maksimov; Dmitry V. Svistunov; Dmitrii K. Tagantsev; B. V. Tatarintsev; Andrey A. Vetrov

doi:10.1117/12.417747

2 March 2001 Electro-optic glasses and glass ceramics for elements controlling laser radiation

Garegin O. Karapetyan, Andrey A. Lipovskii, V. V. Loboda, L. V. Maksimov, Dmitry V. Svistunov, Dmitrii K. Tagantsev, B. V. Tatarintsev, Andrey A. Vetrov

Author Affiliations +

Proceedings Volume 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control; (2001) https://doi.org/10.1117/12.417747
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

The results of studying the electro-optical sensitivity of industrial glasses are presented, and it is shown that Kerr constant, B, of them does not exceed 10^-15 m/V². An approach to the choice of compositions of the glasses of high Kerr sensitivity is developed, and experimental sodium- niobium-silicate glasses with B > 10^-14 m/V² have been designed and formed. The approach is based on the hypothesis of 'crystalline motifs' (structural inhomogenities responsible for electro-optical sensitivity of the glasses), which are the ordered regions (several coordination spheres) with the crystal-like structure. When heat-treated the designed glasses crystallize, with the phase precipitated being NaNbO₃ microcrystals. Temporal-thermal conditions of the glass crystallization to form a transparent glass-ceramics with B approximately equal 10^-12 m/V² have been found. It has been also shown that such glass-ceramics can be produced by high-temperature alkaline ion exchange. A low- temperature silver ion exchange in the designed glasses and glass-ceramics has been studied and optical waveguides supporting from 1 to 50 modes have been formed. In these waveguides the index variation equal to 0.15 is achieved.

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Garegin O. Karapetyan, Andrey A. Lipovskii, V. V. Loboda, L. V. Maksimov, Dmitry V. Svistunov, Dmitrii K. Tagantsev, B. V. Tatarintsev, and Andrey A. Vetrov "Electro-optic glasses and glass ceramics for elements controlling laser radiation", Proc. SPIE 4353, Laser Optics 2000: Control of Laser Beam Characteristics and Nonlinear Methods for Wavefront Control, (2 March 2001); https://doi.org/10.1117/12.417747

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