| 4-戊基-4'-氰基联苯液晶的分子二阶非线性光学极化率测量方法 |
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| 引用本文： | 李加,邵喜斌.4-戊基-4'-氰基联苯液晶的分子二阶非线性光学极化率测量方法[J].发光学报,1994,15(4):337-341. |
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| 作者姓名： | 李加 邵喜斌 |
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| 作者单位： | 1. 中国科学院长春物理研究所, 长春 130021;2. 天津理工学院, 天津 300191;3. 中国科学院长春光学精密机械研究所, 长春 130022 |
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| 基金项目： | 国家自然科学基金;中国科学院长春物理所激发态物理开放实验室资助 |
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| 摘 要： | 在玻璃衬底上制得单层硬脂酸的Langmuir-Blodgett(LB)膜,做为4-戊基-4''-氰基联苯(5CB)液晶的取向层,在取向层上旋涂一层5CB液晶,用透射二次谐波方法测量出5CB液晶分子二阶非线性光学极化率,其值为β=7×10-29esu.对比文献值,测量得到的结果符合较好.
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| 关 键 词： | 二次谐波(SHG) 分子二阶非线性光学极化率(β) 有序性 |
| 收稿时间： | 1994-02-04 |
THE MEASUREMENT METHOD OF THE MOLECULAR HYPERPOLARIZABILITY FOR 4-PENTYL-4'-CYANODIPHENYL LIQUID CRYSTAL |
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| Li Jia,Shao Xibin,Xu Xurong,Wang Jingbai,Zhao Futan,Guo Yubin.THE MEASUREMENT METHOD OF THE MOLECULAR HYPERPOLARIZABILITY FOR 4-PENTYL-4'-CYANODIPHENYL LIQUID CRYSTAL[J].Chinese Journal of Luminescence,1994,15(4):337-341. |
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| Authors: | Li Jia Shao Xibin Xu Xurong Wang Jingbai Zhao Futan Guo Yubin |
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| Affiliation: | 1. Changchun Institute of Physics, Chinese Academy of Sciences Changchun 130021;2. Tianjin Institute of Technology, Tianjin, 300191;3. Changchun Institute of Optic and Fine Machine. Chinese Academy of Sciences, Changchun 130022 |
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| Abstract: | The Langmuir-Blodgett film of fatty-acid is getten on the glass substrate.The Langmuir-Blodgett film is used as the orientation layer of 4-Pentyl-4''-Cyanodiphenyl(SCB)liquid crystal.The SCB liquid crystal is coated on the orientation layer under the condition of the rotation.The molecular hyperpolarizability(β)of 5CB liquid crystal is gotten with SHG method,β value of the measurement is in accordance with the document. |
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| Keywords: | second-harmonic generation(SHG) molecular hyperpolarizability(β)orientation |
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