二阶非线性光学特性聚氨酯研究进展

Progress in Second-Order Nonlinear Optical Polyurethanes

非线性光学聚氨酯的研究引起国内外学者的广泛关注， 有些体系已经发展到可以制成实验室模型器件。综述了近年来采用聚氨酯为骨架材料的二阶非线性光学聚合物材料的研究进展情况，展望了今后的研究方向。

The study of polyurethanes(PU) for nonlinear optical(NLO) applications has been drawn much attention of researchers all over the world, and resulted in the appearance of model devices. This paper reviews the developments of second-order NLO polymer materials with PUs as the framework and points out the study directions for future efforts.