Azobenzol units are attached to PAA side chain, and different groups were selectively introduced to the para position of azobenzol units in order to investigate the electronic effects on fluorescent properties and the third-order NLO properties. 通过测定各个接枝聚合物的荧光性能和三阶非线性光学性能考察了侧链末端取代基的电子效应对聚合物荧光性能及其三阶非线性光学性能的影响。