液晶/聚合物光栅,即全息聚合物分散液晶光栅(Holographic polymer dispersed liquid crystal,HPDLC)是一种新型光电子信息功能器件.采用紫外光固化丙烯酸脂和向列相液晶TEB30A制备了透射HPDLC型光栅,探讨了单体平均官能度对液晶/聚合物光栅的影响.实验将官能度分别为2.0和5.0的两种单体混合,使平均官能度在2.0~5.0变化,制备出系列HPDLC透射型光栅,通过观察光栅形貌、测量光栅的衍射效率及驱动电压,分析了相分离过程中的光聚合速度和液晶扩散速度的匹配问题.
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