3-溴-4-烷氧基-4'-硝基偶氮苯光限幅性能的研究

Investigations on the Optical Limiting Property of 3-bromo-4-butyloxy-4'-nitroazobenzene

采用倍频Nd:YAG脉冲激光,在波长为532 nm,脉宽8 ns,重复频率10 Hz的条件下,研究了新型偶氮苯化合物的光限幅特性.实验结果表明,其具有较好的光限幅特性,限幅机制主要起源于反饱和吸收.

The optical limiting property of a novel azobenzene compound was studied by double frequency Nd：YAG pulse laser system with the wave of 532 nm, the pulse width of 8 ns and the repetition rate of 10 Hz. The results showed that the novel material possessed good optical limiting, which mainly arised from the reverse saturable absorption （RSA）.