Transformation of the amplitude profiles of coherent light beams in a nonlinear photorefractive Fabry-Perot interferometer
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- Perin, A.S., Kozlova, S.M. & Shandarov, V.M. Phys. Wave Phen. (2011) 19: 6. doi:10.3103/S1541308X1101002X
The transformations of the transverse profiles of laser beams in a nonlinear Fabry-Perot interferometer based on lithium niobate crystals with a surface layer doped with a combination of photorefractive impurities (iron and copper ions) have been experimentally investigated. It is demonstrated that the distribution of transmitted beam intensity significantly changes for a few seconds at milliwatt beam powers.