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首页> 外文会议>Conference on Integrated Optical Devices: Fabrication and Testing, Oct 30-Nov 1, 2002, Brugge, Belgium >Time control of optical nonlinear reorientational phenomena in nematics
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Time control of optical nonlinear reorientational phenomena in nematics

机译：向列相中光学非线性重排现象的时间控制

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摘要

In this work we present theoretical and experimental results of influence of electric field on reorientational nonlinearity in homeotropic oriented nematics. In the analyzed configuration the light beam passing through the liquid crystalline layer induces the reorientation, which is observed in far-field diffraction pattern changes as a result of self-modulation effect. The created phase mask inside the nematic cell can be used in optical switching or to control the propagating direction of optical signals passing through the liquid crystalline cell. Both electric and optical field control the observed phase pattern dynamics. The response time in reorientational phenomena is large and its determination and reducing is very important issue for applications. Obtained results are in good agreement with theoretical prediction.
机译：在这项工作中，我们介绍了电场对垂直取向的向列型原子重新定向非线性的影响的理论和实验结果。在分析的配置中，穿过液晶层的光束会引起重新定向，这是由于自调制效应而在远场衍射图样变化中观察到的。向列晶胞内部产生的相位掩模可用于光学开关或控制通过液晶晶胞的光信号的传播方向。电场和光场都控制观察到的相位模式动态。重新定向现象的响应时间很大，其确定和减少对于应用程序来说是非常重要的问题。所得结果与理论预测吻合良好。

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