二极管激光侧面泵浦Nd：YAG的色心调Q激光器  

Passive Q-switched Transverse-diode-pumped Nd:YAG Laser Oscillator

作　　者：胡文涛[1] 周复正[1] 陈有明[1] 沈丽青[1] 姜中宏[1] 

机构地区：[1]中国科学院上海光机所

出　　处：《中国激光》1994年第9期712-716,共5页Chinese Journal of Lasers

摘　　要：报道准连续６０Ｗ线列阵二极管激光器侧面泵浦的Ｎｄ：ＹＡＧ激光器及用ＬｉＦ：Ｆ２－晶体作饱和吸收体的被动调Ｑ激光器。在重复频率为１０Ｈｚ，泵浦脉宽为４００μｓ，峰值功率为６０Ｗ的泵浦速率下，激光弛豫振荡每周期输出的能量为３ｍＪ，相应的全光光效率为１２．５％。在调Ｑ方式下运转时，每周期可得到３个能量为４００μＪ，脉宽为１１．５ｎｓ的脉冲。通过腔结构的调整，实验中还获得能量为２００μＪ的单横模的单脉冲输出。通过数值模拟讨论了脉冲的形成过程和脉冲特性，并对进一步的研究工作提出了改进方案。Passive Q-switched laser has been achieved in Nd:YAG transversely pumped bya Q-CW 60 W laser-diode-array. While the laser diode was working on a repetition rate of10Hz at power as high as 60 W and pulse width of 400 μs,a free running stable oscillationwith output energy of 3mJ was obtained. Making use of a LiF: F2-crystal as a saturableabsorber,Q-switching operation was succeeded.There were three multiple-transverse-modepulses with energy of 400μJ and width of 11.5 ns for every individual pulse within perperiod.Some suggestions are presented here in order to obtain highly efficient single pulsewith single-transverse-mode.

关 键 词：调Q激光器 二极管 激光泵浦 

分 类 号：TN248.34[电子电信—物理电子学]