将偶氮苯聚合物和向列相液晶以一定比例混合后注入液晶盒,用线性偏振光进行掩膜光照,引发偶氮苯聚合物发生顺反异构,诱导液晶产生光双折射现象,形成偶氮苯聚合物掺杂液晶光栅,样品通过光学显微镜和He-Ne激光器的检测.结果表明该光栅具有清晰的光栅结构,衍射效率高并具有电场可调谐性,更为重要的是驱动电压大幅降低,可与集成电路匹配.
参考文献
| [1] | 李文萃,郑致刚,郭福忠,等.表面混合排列取向对全息聚合物分散液晶光栅电光特性的影响[J].液晶与显示,2008,23(3):266-271. |
| [2] | Janossy I,Yloyd A D.Low-power optical reorientation in dyed nematics[J].Mol.Cryst.Liq.Cryst.,1991,203:77-84. |
| [3] | Petrossian A,Residori S.Light driven motion of the nematie director in azo-dye-doped liquid crystals[J].Optics Communications,2003,228(1-3):145-153. |
| [4] | Pei M L,Wang Y J,Carlisle O O.Polymer-enhance diffraction in an azo-dye-doped li-quid crystal[J].Society of Photo-Optical Instrumentation Engineers,2001,40(8):1481-1485. |
| [5] | Kawatsuki N,Uchida E.Birefringent control and optical switching of copolymer liquid crystal film with azobenzene and photocrosslinkable side groups[J].Appl.Phys.Lett.,2003,83(8):1560(1-3). |
| [6] | Khoo I C,Slussarenko S,Guenther B D,et al.Optically induced space-charge fields,de voltage,and extraordinarily large nonlinearity in dye-doped nematie liquid crystals[J].Opt.Lett.,1998 23(4):253-255. |
| [7] | 王沛,明海,梁忠诚,等.偶氮侧链聚合物液晶的光学性质及其光存储应用[J].物理,2002,31(5):287-292. |
| [8] | Ichimura K.Phtotalignment of liquid-crystal systems[J].Chem.Rev.,2000,100(5):1847-1873. |
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