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Parameters of nonlinear scattering evaluated by open-aperture Z-scan technique in photorefractive LiNb0_3 crystals

机译:通过开孔Z扫描技术评估光折变LiNb0_3晶体中的非线性散射参数

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摘要

An open-aperture Z-scan experimental technique was used to evaluate parameters of the nonlinear scattering (NLS) in the photorefractive (PR) LiNbO_3 crystals. NLS is related to the photoinduced light scattering caused by the holographic amplification of the seed scattering due to PR effect. The values of the NLS coefficient, amplification gain factor and seed scattering ratio were evaluated and found to be increasing with the light intensity.
机译:使用开孔Z扫描实验技术评估光折射(PR)LiNbO_3晶体中的非线性散射(NLS)参数。 NLS与由PR效应引起的种子散射的全息放大引起的光诱导光散射有关。评估了NLS系数,放大增益因子和种子散射比的值,发现它们随光强度而增加。

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