在全息聚合物分散液晶的预聚物体系中添加含氟的单丙烯酸酯单体,制备全息聚合物分散液晶Bragg光栅,通过AFM、He-Ne激光器观察分析,发现甲基丙烯酸十二氟庚酯(Actyflon-G04)的添加不仅改善聚合物基质的形貌,同时也影响光栅的电光特性.实验结果表明,光栅的衍射效率从78 %上升到90 %,驱动电压V90大幅降低.分析认为, Actyflon-G04的添加降低了聚合物界面的表面张力,影响液晶微滴的分子取向, 从而实现了光栅电光特性的改善.
参考文献
| [1] | Domash Lawrence H,Chen Yong-Ming,Gozewski Conrad M,et al.Electronically switchable Bragg gratings for large-scale NXN fiber optic crossconnects[C]//Proc.SPIE,1997,3010:214-228. |
| [2] | Fontecchio Adam K,Bowley Christopher C,Crawford Gregory P.Improvement in holographically formed polymer-dispersed liquid crystal performance through acrylated monomer functionality studies[C]// Proc.SPIE,1999,3800:36-44. |
| [3] | 马骥,刘永刚,胡立发,等.交联剂对聚合物/液晶光栅的影响[J].液晶与显示,2005,20(4):273-277. |
| [4] | Domash Lawrence H,Crawford Gregory P,Ashmead Allan C,et al.Holographic PDLC for photonic applications[C]//Proc.SPIE,2000,4107:46-58. |
| [5] | 刘永刚,马骥,宋静,等.单体平均官能度对制备液晶/聚合物光栅的影响[J].液晶与显示,2005,20(3):210-214. |
| [6] | 小林骏介.下一代液晶显示[M].北京:科学出版社,2003:87-91. |
| [7] | Xianyu H,Qi J,Cohn R F,Crawford G P.Total-internal-reflection mode in holographic polymer dispersed liquid crystals[J].Optics Lett.,2003,28(10):792-794. |
| [8] | Tondiglia V P,Natarajan L V,Sutherland R L,et al.Holographic formation of electro-optical polymer-liquid crystal photonic crystals[J].Advanced Materials,2002,14(3):187-191. |
| [9] | Liu Y J,Sun X W,Dai H T,et al.Effect of surfactant on the electro-optical properties of holographic polymer dispersed liquid crystal Bragg grationgs[J].Optical Materials,2005,27:1451-1455. |
| [10] | Wu Shingtrong,Mo Tingshan,Fuh Andy Ying-Guey,et al.Polymer-dispersed liquid-crystal holographic gratings doped with a high-dielectic-anisotropy dopant[J].Jpn.J.Appl.Phys.,2001,40(11):6441-6445. |
| [11] | De Sarkar Mousumi,Qi Jun,Crawford Gregory P.Influence of partial matrix fluorination on morphology and performance of HPDLC transmission gratings[J].Polymer,2002,43(26):7335-7344. |
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