Influence of Pump Light Focused Characteristics on High Repetition Frequency 1 064 nm Passively Q-switched Laser

doi:10.37188/CJL.20220294

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	Influence of Pump Light Focused Characteristics on High Repetition Frequency 1 064 nm Passively Q-switched Laser
	C. Yao, X. Fu, Y. Shen, W. Li and X. Fu
	2023
发表期刊	Faguang Xuebao/Chinese Journal of Luminescence
ISSN	10007032
卷号	44 期号:2 页码:307-313
摘要	The effect of pump focusing characteristic on output laser characteristics of passively Q-switched solid-state（PQS）laser is studied. Using a 10 W laser diode（LD）and a coupling focusing lens with focal length of 4 mm，without changing the cavity structure and the distance between LD and resonator（15 mm），five coupling focusing lens positions were selected to research the effect of pump focusing characteristic on output laser characteristics，especially on the stability of the output pulse. When the distance between LD and the coupling focusing lens is 7. 50 mm，at a continuous-wave pump power of 3. 550 W，a passively Q-switched laser with higher repetition rate（160 kHz），higher average output power（360 mW），higher single-pulse energy（2. 250 μJ）and lower time jitter（120 ns）was obtained. The experimental results indicate that the match degree between pump focusing spot and fundamental mode spot is good when the distance between LD and the coupling focusing lens is 7. 50 mm. The theoretical calculation results indicate that the ratio of the fundamental mode spot size to the focusing spot size is 0.854 when the distance between LD and the coupling focusing lens is 7. 50 mm. The ratio can be used as a reference for the research of high repetition-frequency PQS laser. © 2023 Chines Academy of Sciences. All rights reserved.
DOI	10.37188/CJL.20220294
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收录类别	ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68095
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	C. Yao, X. Fu, Y. Shen, W. Li and X. Fu. Influence of Pump Light Focused Characteristics on High Repetition Frequency 1 064 nm Passively Q-switched Laser[J]. Faguang Xuebao/Chinese Journal of Luminescence,2023,44(2):307-313.
APA	C. Yao, X. Fu, Y. Shen, W. Li and X. Fu.(2023).Influence of Pump Light Focused Characteristics on High Repetition Frequency 1 064 nm Passively Q-switched Laser.Faguang Xuebao/Chinese Journal of Luminescence,44(2),307-313.
MLA	C. Yao, X. Fu, Y. Shen, W. Li and X. Fu."Influence of Pump Light Focused Characteristics on High Repetition Frequency 1 064 nm Passively Q-switched Laser".Faguang Xuebao/Chinese Journal of Luminescence 44.2(2023):307-313.

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