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首页> 外文会议>Conference on Optics of Crystals Sep 26-30, 2000, Mozyr, Belarus >Optical Instability in the light reflection from the photorefractive crystals
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Optical Instability in the light reflection from the photorefractive crystals

机译：光折射晶体反射光的光学不稳定性

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摘要

The rigorous solution in the plane-wave approximation of the light reflection boundary problem for the interface the isotropic medium - photorefractive crystal with the drift-diffusion nonlinearity mechanism is given. The possibility of the realization of the hysteresis light reflection phenomenon in this case under certain conditions is shown. The analitical expressions describing hysteresis behaviour of the reflectivity as a function of the angle of incidence or that of the external electric field strength applied to the crystal are derived. By changing the value and sign of the applied electric field it is possible to transfer system from the total reflection state to the transmission state and vice versa. The obtained results are attractive for the elaboration of the possible devices for laser radiation control and optical information processing.
机译：给出了各向同性介质-光折变晶体与漂移-扩散非线性机制的界面在光反射边界问题的平面波逼近中的严格解。示出了在某些情况下在这种情况下实现磁滞光反射现象的可能性。得出了将反射率的磁滞行为描述为入射角或施加到晶体的外部电场强度的函数的解析表达式。通过改变施加电场的值和符号，可以将系统从全反射状态转换为透射状态，反之亦然。所获得的结果对于详细说明用于激光辐射控制和光学信息处理的可能装置具有吸引力。

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