Electro-optical Q-switched double-pulse output Nd:YAG all solid-state laser

被引：0
作者：
Li, Feng [1 ]
Wang, Juntao [1 ]
Yin, Suyong [1 ]
Zhu, Xiaolei [1 ]
机构：
[1] Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences
来源：
Zhongguo Jiguang/Chinese Journal of Lasers | 2012年 / 39卷 / 08期
关键词：
β-BaB [!sub]2[!/sub]O [!sub]4[!/sub] Q-switch; Double-pulse laser; KD [!sup]*[!/sup]P Q-switch; Laser technique; Nd:YAG lasers;
D O I：
10.3788/CJL201239.0802005
中图分类号：
学科分类号：
摘要：
A laser diode (LD) dual-end pumped, conductively cooled, electro-optical Q-switched composite Nd:YAG laser is designed. Double-pulse laser output with adjustable pulse interval is achieved. By using two fiber-coupled LD modules as the pumping source, β-BaB 2O 4 (BBO) crystal as the Q-switch, double-pulse laser output is acquired by opening the Q-switch twice in a pumping cycle time, and the laser is capable of producing two Q-switched 1064 nm pulses with the single pulse energy more than 14 mJ, 18 ns, the interval between the two pulses is adjustable from 200 s to 230 s at the repetition of 50 Hz, the optical-to-optical efficiency reaches 24%. Furthermore, we explore the feasibility of stable double-pulse laser output by using the Q-switched crystal KD 2PO 4 (KD *P), and suppressing the piezoelectric ring effect of KD *P, the sub-pulse phenomenon is removed and double-pulse laser output with 11 mJ, 18 ns, is obtained.
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