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Self-defocusing, self-focusing, and speckle in LiNbO3 and LiNbO3:Fe crystals

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Abstract

The characteristics of light-induced scattering in LiNbO3 and LiNbO3:Fe crystals are studied. The experimental and theoretical results show that the light-induced scattering for an extraordinary illumination beam consists of self-defocusing, self-focusing, and speckle. They are caused by the light-induced lensing and fluctuation of the refractive index in the crystals.

© 1993 Optical Society of America

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