| 液晶的磁旋光特性 |
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| 引用本文： | 任广军,姚建铨,李国华,王鹏.液晶的磁旋光特性[J].天津大学学报(自然科学与工程技术版),2006,39(8):973-977. |
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| 作者姓名： | 任广军 姚建铨 李国华 王鹏 |
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| 作者单位： | [1]天津大学精密仪器与光电子工程学院,天津300072 [2]临沂师范学院物理系,临沂276005 [3]天津大学光电信息科学技术教育部重点实验室,天津300072 [4]曲阜师范大学激光研究所,曲阜273165 |
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| 基金项目： | 国家自然科学基金;广东省博士启动基金 |
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| 摘 要： | 为深入了解液晶的磁旋光特性，利用矩阵方法分析研究了液晶的旋光效应，导出了液晶旋光的矩阵表示．通过测量磁场作用下向列型液晶的旋光角及透射比，研究了液晶的磁旋光特性．详细分析了磁场对液晶分子轴旋转和透射比的影响，做出了液晶分子轴旋转角和透射比与磁场强度关系的曲线．通过改变磁场方向进行实验测试．发现液晶的旋光方向与垂直入射液晶盒的磁场方向无关。
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| 关 键 词： | 液晶 矩阵 旋光 磁场 |
| 文章编号： | 0493-2137（2006）08-0973-05 |
| 收稿时间： | 2005-06-30 |
| 修稿时间： | 2005-06-302006-01-11 |
Optical Rotation Characteristic of Liquid Crystal in Magnetic Field |
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| REN Guang-jun,YAO Jian-quan,LI Guo-hua,WANG Peng.Optical Rotation Characteristic of Liquid Crystal in Magnetic Field[J].Journal of Tianjin University(Science and Technology),2006,39(8):973-977. |
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| Authors: | REN Guang-jun YAO Jian-quan LI Guo-hua WANG Peng |
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| Institution: | 1. School of Precision Instruments and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China; 2. Department of Physics, Linyi Normal University, Linyi 276005, China;3. Key Laboratory of Optoelectric Information Science and Technology of Ministry of Education, Tianjin University, Tianjin 300072 ,China;4. Laser Research Institute, Qufu Normal University, Qufu 273165, China |
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| Abstract: | In order to master the magnetic optical rotation characteristic of liquid crystal, the matrix method is employed to analyze the optical rotation effect of liquid crystal, and the matrix presentation of optical rotation of liquid crystal is given. The magnetic optical rotation characteristic of liquid crystal is studied by testing rotation angle and transmission of liquid crystal. Influences of magnetic field on rotation angle of molecular axis and transmission of liquid crystal are analyzed. Relation curves of rotation angle and transmission of liquid crystal with magnetic field are protracted. By altering the direction of magnetic field, the rotation light of liquid crystal is tested, and a conclusion is gained that the optical rotation direction of liquid crystal is independent of the direction of magnetic field. |
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| Keywords: | liquid crystal matrix rotation light magnetic field |
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