| 温度对全息聚合物分散液晶光栅形貌及电光特性的影响 |
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| 引用本文： | 宋静,马骥,刘永刚,宣丽.温度对全息聚合物分散液晶光栅形貌及电光特性的影响[J].光子学报,2007,36(6):1028-1030. |
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| 作者姓名： | 宋静 马骥 刘永刚 宣丽 |
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| 作者单位： | 1. 中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,长春,130033中国科学院研究生院,北京,100039
2. 中国科学院,长春光学精密机械与物理研究所,应用光学国家重点实验室,长春,130033 |
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| 基金项目： | 国家自然科学基金(50473040,60578035)，吉林省科委基金(20050321-2,20050520)资助 |
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| 摘 要： | 采用光敏预聚物、向列相液晶和光引发剂混合物体系,在不同温度条件下制备全息光栅.利用红外光谱、光学显微镜、He-Ne激光器对预聚物和光栅进行测试.实验结果表明,光栅的衍射效率随制备温度的升高先增加后减小.对实验结果进行分析,发现它与光聚合反应体系的特性有很好的对应关系,同时深入探讨了制备温度对光栅形貌及电光特性的影响.
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| 关 键 词： | 全息聚合物分散液晶 光栅 光聚合反应 相分离动力学 |
| 文章编号： | 1004-4213（2007）06-1028-3 |
| 收稿时间： | 2005-11-28 |
| 修稿时间： | 2005-11-28 |
Influence of Temperature on HPDLC Grating Characteristics |
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| SONG Jing,MA Ji,LIU Yong-gang,XUAN Li.Influence of Temperature on HPDLC Grating Characteristics[J].Acta Photonica Sinica,2007,36(6):1028-1030. |
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| Authors: | SONG Jing MA Ji LIU Yong-gang XUAN Li |
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| Institution: | 1.State Key laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics ,Chinese Academy of Sciences ,Changchun 130033,China;2 .Graduate University of Chinese Academy of Sciences , Beij ing 100039 ,China |
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| Abstract: | Holographic gratings,using the system made of photosensitive pre-polymer monomers,nematic liquid crystal and photoinitiator mixtures,were fabricated under various curing temperatures.The samples were checked up by IR spectra,tical microscope and He-Ne laser.The results indicate that diffraction efficiencies of grating increased first,then decreased along with curing temperature hoists.These results were analyzed,and were found to have a good correlation with characteristics of system.The relation between temperature and diffraction was discussed. |
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| Keywords: | Holographic polymer dispersed liquid crystal Grating Photopolymerization Phase separation dynamics |
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