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Conferences > NLO > 1996 > NThA > NThA.3

Amplification of Optical Signals in Bi12TiO20 Crystal by the Fanned Beam

Anatoli V. Khomenko, Alfonso García-Weidner, and Alexei A. Kamshilin

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Abstract

The photorefractive sillenite crystals (Bi12TiO20, Bi12SiO20, and Bi12GeO20) been possess the high sensitivity, but the experimentally achieved gain for optical signals amplification by two-beam coupling does not exceed 1,500.1,2 This value is more than one order of magnitude less than the gain recently measured with BaTiO3 crystals.3,4 The main limitation for the gain in sillenites is introduced by the beam fanning.

© 1996 Optical Society of America

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