[1]任席奎,等.百千瓦级高峰值功率Tm∶YLF激光器[J].深圳大学学报理工版,2020,37(4):403-407.[doi:10.3724/SP.J.1249.2020.04403]
 REN Xikui,PEI Jihong,et al.Hundred-kilowatt-level high peak power Tm∶YLF laser[J].Journal of Shenzhen University Science and Engineering,2020,37(4):403-407.[doi:10.3724/SP.J.1249.2020.04403]
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百千瓦级高峰值功率Tm∶YLF激光器()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第37卷
期数:
2020年第4期
页码:
403-407
栏目:
光电工程
出版日期:
2020-07-15

文章信息/Info

Title:
Hundred-kilowatt-level high peak power Tm∶YLF laser
文章编号:
202004010
作者:
任席奎1 2裴继红1阮双琛2
1)深圳大学电子与信息工程学院,广东深圳 518060
2)深圳市激光工程重点实验室,先进光学精密制造技术广东普通高校重点实验室,深圳大学物理与光电工程学院,广东深圳 518060
Author(s):
REN Xikui1 2 PEI Jihong1 and RUAN Shuangchen2
Guangdong Higher Education Institutes, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
光电子与激光技术固体激光器声光调QTm∶YLF晶体大功率激光器中红外激光器
Keywords:
optoelectronics and laser technology solid laser acoustic-optics Q-switched Tm∶YLF crystal high power laser mid-infrared laser
分类号:
TN248
DOI:
10.3724/SP.J.1249.2020.04403
文献标志码:
A
摘要:
为研制一款具有高峰值功率与高光束质量的2 μm波段固体激光器,搭建二极管激光器(laser diode, LD)单端抽运声光调Q Tm∶YLF激光器.激光器的输出中心波长为1 879 nm,采用声光调Q技术,得到重复频率为2 kHz的脉冲激光输出,峰值功率达到100.2 kW,最大单脉冲能量为5.25 mJ,最短脉冲宽度为52.2 ns,光-光转换率为30%,斜率效率为33%.光束M2因子分别为x方向1.51和y方向1.71,光束质量良好.该激光器同时具有高峰值功率与优良光束质量的特点,可广泛用于透明塑料的精细加工、激光医疗以及工业打标等领域.
Abstract:
In order to develop a 2 μm band solid state laser with high peak power and high beam quality, we construct a laser diode single-end pumped Q-switch Tm∶YLF laser, the central wavelength of which is 1 879 nm and actively Q-switched using an acoustic-optics modulator working at a repetition frequency of 2 kHz. The output peak power up to 100.2 kW is achieved with the single pulse energy of 5.25 mJ, the shortest pulse width of 52.2 ns, corresponding to a slope efficiency of 33% and an optical conversion efficiency of 30%. The output beam shows the good beam quality of M2x=1.51 and M2y=1.71. The laser has high peak power and excellent beam quality, which can be widely used in the fine processing of transparent plastics, laser medical treatment, industrial laser marking and other fields.

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备注/Memo

备注/Memo:
Received:2019-11-25;Accepted:2020-01-03
Foundation:National Key S & T Research and Development Program of China (2016YFA0401100); Shenzhen Science and Technology Research Foundation (JCYJ20160331114355870)
Corresponding author:Professor RUAN Shuangchen.E-mail: scruan@szu.edu.cn
Citation:REN Xikui,PEI Jihong,RUAN Shuangchen.Hundred-kilowatt-level high peak power Tm∶YLF laser[J]. Journal of Shenzhen University Science and Engineering, 2020, 37(4): 403-407.(in Chinese)
基金项目:国家重点科技攻关计划资助项目(2016YFA0401100);深圳市科技计划基础研究资助项目(JCYJ20160331 114355870)
作者简介:任席奎(1986—),深圳大学博士后研究人员.研究方向:高功率固体激光器与光纤激光器的相关技术、非线性光学. E-mail:mailrenxikui@163.com
引文:任席奎,裴继红,阮双琛.百千瓦级高峰值功率Tm∶YLF 激光器[J]. 深圳大学学报理工版,2020,37(4):403-407.
更新日期/Last Update: 2020-07-26