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脉冲激光倍频产生的光声信号的研究
Investigation of the Optoacoustic Signal Induced by SHG of a Laser Pulse Radiation
【摘要】 当调QYAG脉冲激光在LiIO3晶体中产生倍频时,由于部分基频光转换成倍频光,激光在倍频晶体中产生的光声信号将会增强,并随晶体的倍频位相失配角变化。报道了有关的实验结果,并进行了分析。
【Abstract】 When a Q switched YAG laser pulse radiation produces SHG in a LiIO 3 crystal, due to converting part of the fundamental radiation into the SHG radiation, the optoacoustic signals in the SHG crystal induced by the laser radiation will be enhanced, and vary with the SHG phase mismatching angle of the crystal. This paper reports experimental results and gives an analysis.
【关键词】 脉冲激光;
激光倍频;
光声信号;
【Key words】 laser pulse radiation; second harmonic generation (SHG) of laser radiation; optoacoustic signal;
【Key words】 laser pulse radiation; second harmonic generation (SHG) of laser radiation; optoacoustic signal;
- 【文献出处】 中国激光 ,CHINESE JOURNAL OF LASERS , 编辑部邮箱 ,1998年12期
- 【分类号】TN241
- 【被引频次】1
- 【下载频次】88