1 ns脉宽激光Nd:YAG双通放大的实验研究  

Experimental study of nanosecond Nd:YAG rod double-pass amplification

作　　者：王金国[1] 孙哲[1] 姜梦华[1] 惠勇凌[1] 雷訇[1] 李强[1] 

机构地区：[1]北京工业大学激光工程研究院,北京100124

出　　处：《光电子．激光》2012年第6期1031-1034,共4页Journal of Optoelectronics·Laser

基　　金：国家自然科学基金(61040065);北京市自然科学基金(4112005)资助项目

摘　　要：对纳秒脉宽激光进行了双通放大的实验研究。主振荡器输出的单脉冲能量为0.16mJ、重复频率为5 Hz,光束质量M2为1.5和脉冲宽度为0.964ns的种子激光,经过掺杂浓度为1.0at%,3mm×120mm的Nd:YAG双通放大器放大后,得到了单脉冲能量为88mJ、脉宽为0.972ns、M2为1.7和不稳定度小于±3%的双通放大激光输出。A nanosecond Nd：YAG-based double-pass amplifier system has been developed by experiment.The output single pulse energy of the master oscillator is 0.16 mJ at repetition frequency of 5 Hz,the beam quality of M^2 is 1.5,and the pulse width is 0.964 ns.After amplified by Nd：YAG-based double-pass amplifier with size of 3 mm×120 mm and doping concentration of 1.0 at.%,the total single pulse energy is 88 mJ,pulse width is 0.975 ns,M2 is 1.7,and the stability is within ±3%.

关 键 词：激光器 1ns 窄脉宽 双通放大 

分 类 号：TN248.1[电子电信—物理电子学]