有机/聚合物光折变材料的品质因数高,结构设计容易,样品制备简单,综合性能优良,是一类极具发展潜力的非线性光学材料。本文首先对有机/聚合物材料中光折变效应的基本概念和特点进行了简单介绍;然后根据材料组成特征,对有机光折变材料近年来的研究概况进行了分类综述。对于各种材料体系,重点论述了以应用为导向的材料优化进程,分析了材料体系中存在的亟待解决的瓶颈问题,并对有机/聚合物光折变材料的实用化进程及今后的发展思路进行了展望。
Organic/polymer photorefractive materials are promising due to their highest figure of merit, versatility in structural design, simplicity in sample preparation and good general performance. In this paper, the concept and characteristic of photorefractive effect in organic materials are briefly discribed, and the recent research progerss in organic photorefractive materials is reviewed systematically. This article focuses on the different chemical concepts and pathway for material optimization oriented by application. Also, the existing bottle-neck problems in photorefractive material system are outlined and their future development and application are forecasted.