中国激光, 2020, 47 (12): 1201003, 网络出版: 2020-11-30 复制并引用该论文  本文已被引 3 次  被引通知

图 & 表

图 1. 基于MPC技术的长纳秒脉冲532 nm激光器实验装置图,其中右上角的插图显示了M4和M5反射镜上的光束点模式

Fig. 1. Experimental setup for generating the pulse width stretched 532 nm Nd∶YAG green laser based on MPC technology, in which the upper right diagram shows the beam spot pattern on mirrors M4 and M5

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图 2. MPC平凹腔引入的腔长增加量ΔL随不同m,n值的变化曲线

Fig. 2. Extended cavity length ΔL introduced by MPC flat concave cavity versus m and n

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图 3. 1064 nm激光输出功率随808 nm泵浦光功率变化的曲线图

Fig. 3. Output power at 1064 nm versus pump power with MPC (solid squares) and without MPC (solid circles)

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图 4. 1064 nm激光脉冲宽度随808 nm泵浦光功率变化的关系及对应拟合曲线

Fig. 4. Variation of the pulse width at 1064 nm with the pump power at 808 nm with MPC (solid squares) and without MPC (solid circles) and the corresponding fit for the experimental data

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图 5. 最大泵浦功率下激光脉冲宽度随腔长变化曲线

Fig. 5. Pulse width in a Q-switch laser versus cavity length under the maximum pump power

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图 6. 532 nm激光输出功率和倍频效率随1064 nm激光功率的变化曲线,其中实心方框代表引入MPC,实心圆点代表未引入MPC,插图为532 nm激光在最大输出功率时的光谱

Fig. 6. Output power at 532 nm and SHG efficiency versus input power at 1064 nm, in which the solid squares and solid circles represent the experimental data for the cavity with MPC and without MPC, and the inset is measured spectrum of the 532 nm laser at the maximum output power

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图 7. 532 nm激光实验和计算得到的脉宽随1064 nm激光功率变化的曲线,其中十字代表测量数据,实心方形和实心圆点分别代表引入MPC和未引入MPC的相应计算结果,虚线表示计算结果的拟合曲线,插图(a)~(d)显示了与相邻箭头对应的脉冲波形

Fig. 7. Experimental and theoretical pulse width of 532 nm laser versus input power at 1064 nm, in which the crosses are the measured data, the solid squares and solid circles are the corresponding calculated results with MPC and without MPC, respectively, the dashed lines represent the corresponding fit for the calculated results, and the insets show typical pulse waveforms corresponding to the points indicated by adjacent arrows

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图 8. 引入MPC后最大输出功率处测量得到的532 nm激光典型脉冲序列,其中插图是输出功率为6.5 W时输出激光的二维强度分布图

Fig. 8. Typical pulse sequence from 532 nm laser operating with MPC at the output power of 6.5 W, in which the inset is 2D spatial intensity profile of the output laser at P_out=6.5 W

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宋艳洁, 宗楠, 刘可, 涂伟, 杨峰, 卞奇, 申玉, 王志敏, 薄勇, 彭钦军, 许祖彦. 基于多程腔技术的长纳秒脉冲532 nm Nd∶YAG调Q绿光激光器[J]. 中国激光, 2020, 47(12): 1201003. Song Yanjie, Zong Nan, Liu Ke, Tu Wei, Yang Feng, Bian Qi, Shen Yu, Wang Zhimin, Bo Yong, Peng Qinjun, Xu Zuyan. Nanosecond Pulse Width Stretched Q-Switched Nd∶YAG Green Lasers Based on a Multipass Cavity[J]. Chinese Journal of Lasers, 2020, 47(12): 1201003.