测定液晶-玻璃界面倾斜角的新方法
New method of determination of the tilt angle at a liquid crystal-glass interface
摘要：
提出了一种测量液晶指向矢在液晶层界面倾斜角的偏振方法，该方法涉及使用工作在普通波全内反射模式下的液晶盒。该方法基于测量光入射到细胞上的平面与通过细胞的非常波的偏振矢量或与从细胞反射的寻常波的偏振矢量的角度。为了计算液晶指向矢的倾斜角，也可以利用入射到液晶盒上的光的偏振方位角来计算液晶指向矢的倾斜角，该方法适用于液晶指向矢倾斜角的整个范围。
英文摘要：
We propose a polarimetric method for measuring the tilt angle of the LC director at an LC layer interface.The method involves the use of an LC cell operating in the mode of the total internal reflection of the ordinary wave. The method is based on measuring the angle of the plane of light incidence on the cell with the polarization vector of the extraordinary wave passed through the cell or with the polarization vector of the ordinary wave reflected from the cell. To calculate the tilt angle, the polarization azimuth of the light incident on the cell, which induces only the ordinary wave, can be also used.The method is applicable throughout the whole range of the LC director tilt angles.
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