Spatial self-action of coherent light beams in the photorefractive Fabry-Perot interferometer

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Authors: Perin A. S., Kozlova S. M., Shandarov V. M.

Annotation: The strong variations in intensity distributions of laser beams over their cross-sections due to a spatial self-action effect are experimentally demonstrated for Fabry-Perot interferometers in lithium niobate samples with a surface doped by photorefractive impurities, namely by iron and copper.

Keywords: nonlinear interferometer, photorefractive effect, gaussian beam, lithium niobate