中国激光, 2010, 37 (S1): 12, 网络出版: 2010-10-29
高重复频率双调Q Nd:YVO4激光器
High Pulse Repetition Rate, Doubly Q-Switched Nd:YVO4 Laser
激光器 声光调Q 高重复频率 被动调Q 双调Q lasers acousto-optic Q-switch high repetition rate passive Q-switch double Q-switch
摘要
在激光二极管单端抽运结构的Nd:YVO4约激光器中, 同时利用声光(AO)Q开关和Cr4+YAG可饱和吸收体被动Q开关, 实现1.06 μm激光高重复频率下(约100 kHz)的双调Q运转。当抽运功率为6.1 W, 重复频率为125 kHz时, 得到了最短脉冲宽度7 ns的输出脉冲。同样工作条件下, 腔内不插入Cr4+YAG可饱和吸收体时, 脉冲宽度为13 ns。结果表明, 与AO调Q方式相比, AO-Cr4+YAG双调Q方式运转可以有效地压窄脉冲宽度。
Abstract
In this paper, we report a laser diode-end-pumped Nd:YVO4 laser, doubly Q-switched by an acousto-optic (AO) Q-switch and a Cr4+YAG saturable absorber. At the pump power of 6.1 W and the pulse repetition rate of 125 kHz, the shortest pulse width of 7 ns is achieved. When the Cr4+:YAG saturable absorber is removed from the resonator, the corresponding pulse width is 13 ns. In contrast to an AO Q-switched laser, it is shown that the pulse width is obviously compressed in a doubly Q-switched laser with AO and Cr4+YAG.
冯宇彤, 孟俊清, 陈卫标. 高重复频率双调Q Nd:YVO4激光器[J]. 中国激光, 2010, 37(S1): 12. Feng Yutong, Meng Junqing, Chen Weibiao. High Pulse Repetition Rate, Doubly Q-Switched Nd:YVO4 Laser[J]. Chinese Journal of Lasers, 2010, 37(S1): 12.
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