中国激光, 2021, 48 (7): 0701003, 网络出版: 2021-03-29
调Q运转外腔面发射激光器 
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Q-Switched External-Cavity Surface-Emitting Lasers
图 & 表
图 1. 被动调Q的VECSELs实验示意图。(a)Cr4+∶YAG晶体被动调Q的VECSEL;(b)SESAM被动调Q的VECSEL
Fig. 1. Schematic of passively Q-switched VECSELs. (a) Cr4+∶YAG passively Q-switched VECSEL; (b) SESAM passively Q-switched VECSEL
图 2. 室温下,1.2 W泵浦功率时增益芯片的荧光谱,以及5.6 W泵浦功率时VECSEL的激光光谱
Fig. 2. Photoluminescence of the gain chip under 1.2 W pump power and laser spectrum of VECSEL under 5.6 W pump power at room temperature
图 3. 室温下,连续运转VECSEL的输出功率随泵浦功率的变化关系
Fig. 3. Relationship between output power of continuously running VECSEL and pump power at room temperature
图 4. 输出功率为924 mW时,激光束的M2因子(插图为光强分布的三维图)
Fig. 4. M2 factor of laser beam when output power is 924 mW (inset is three-dimensional diagram of light intensity distribution)
图 5. 室温下,泵浦功率为4.5 W时,Cr4+∶YAG被动调Q的VECSEL输出的脉冲波形
Fig. 5. Pulse waveform of Cr4+∶YAG passively Q-switched VECSEL with 4.5 W pump power at room temperature
图 6. 室温下,泵浦功率为4.5 W时,SESAM被动调Q的VECSEL输出的脉冲波形
Fig. 6. Pulse waveform of the SESAM passively Q-switched VECSEL with 4.5 W pump power and room temperature
图 7. SESAM被动调Q的VECSEL输出脉冲的周期随泵浦功率的变化关系曲线
Fig. 7. Relationship between pulse periods of the SESAM passively Q-switched VECSEL and pump power
张晓健, 潘丽, 曾颖, 张洲, 杨红伟, 王彦照, 王涛, 朱仁江, 范嗣强, 张鹏. 调Q运转外腔面发射激光器[J]. 中国激光, 2021, 48(7): 0701003. Xiaojian Zhang, Li Pan, Ying Zeng, Zhou Zhang, Hongwei Yang, Yanzhao Wang, Tao Wang, Renjiang Zhu, Siqiang Fan, Peng Zhang. Q-Switched External-Cavity Surface-Emitting Lasers[J]. Chinese Journal of Lasers, 2021, 48(7): 0701003.
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