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The Influence of Optical Activity on Self-Focusing of Laser Beams in Biased Photorefractive Bi12TO20 Crystal

Electromagnetically induced absorption (EIA) in Hanle configuration versus ellipticity of an optical running wave is investigated. All theoretical results are confirmed experimentally quite well. It is shown that magneto-optical resonance parameters (amplitude, width and amplitude-towidth ratio) depend on the wave polarization substantially. For example, the resonance amplitude in the case of elliptic polarization of the light wave can be the order more than for linear polarization.