| 基于矩阵理论的螺旋液晶透射光偏振态研究 |
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| 引用本文： | 谢嘉宁,冯仕猛,陈婷.基于矩阵理论的螺旋液晶透射光偏振态研究[J].光学学报,2008,28(7):1343-1346. |
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| 作者姓名： | 谢嘉宁 冯仕猛 陈婷 |
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| 作者单位： | 1. 佛山科学技术学院光电子与物理学系,广东,佛山,528000
2. 上海交通大学物理系,上海,200240 |
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| 摘 要： | 将螺旋型液品看作是N层双折射材料晶片叠合而成,而每层光轴相对于相邻的晶片有一个小的旋转.本文基于矩阵理论,研究了光在螺旋液晶中传输时偏振态的变化.经过详细的数学推导,理论研究表明.线性偏振光经过螺旋液晶后偏振态会发生改变.当满足一定的条件时,线偏振光的偏振方向旋转90°,左旋圆偏振光经过左旋螺旋液晶后转变为右旋圆偏振光.
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| 关 键 词： | 螺旋液晶 矩阵 偏振态 透射光 |
| 收稿时间： | 2007/9/5 |
Polarization State Research of Transmitted Light on Cholesteric Liquid Crystal Based on Matrix Theory |
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| Xie Jianing,Feng Shimeng,Chen Ting.Polarization State Research of Transmitted Light on Cholesteric Liquid Crystal Based on Matrix Theory[J].Acta Optica Sinica,2008,28(7):1343-1346. |
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| Authors: | Xie Jianing Feng Shimeng Chen Ting |
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| Abstract: | The cholesteric liquid crystal can be regarded as a multilayer structure consisting of many uniaxial thin films which exhibit optical rotation. A new method is proposed to study the polarization states of the transmitted light through a cholesteric liquid crystal. It is found that the cholesteric liquid crystal can completely change the polarization state of the transmitted light. The direction of linear polarization can be turned by 90°, and the left circularly polarized light can be translated into right one, when it passes through the cholesteric liquid crystal. |
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| Keywords: | cholesteric liquid crystal matrix polarization state transmitted light |
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