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研究了向列相液晶在空间变化电场作用下的电光特性。模拟了向列相液晶相位光栅的指向矢分布。随着光栅空间频率的增加条纹电场变得很重要 ,而且衍射方式也发生了变化。分析了光栅的光学性质并进行了实际测量
The electro-optic properties of nematic liquid crystal under the action of the electric field in space are studied. The director distribution of nematic liquid crystal phase grating is simulated. As the grating spatial frequency increases the fringing electric field becomes important, and the diffraction pattern also changes. The optical properties of the grating were analyzed and actual measurements were made