LD 侧面泵浦 Tm:YAG 电光调 Q
激光的实验研究

doi:10.3969/j.issn.1007-5461.2022.05.006

量子电子学报 ›› 2022, Vol. 39 ›› Issue (5): 736-741.doi: 10.3969/j.issn.1007-5461.2022.05.006

LD 侧面泵浦 Tm:YAG 电光调 Q 激光的实验研究

钟玉龙1,2 , 程庭清1∗

( 1 中国科学院合肥物质科学研究院健康与医学技术研究所, 安徽合肥 230031; 2 中国科学技术大学, 安徽合肥 230026 )

收稿日期:2021-02-04 修回日期:2021-04-07 出版日期:2022-09-28 发布日期:2022-09-28
通讯作者: E-mail: chengtq@cmpt.cas.cn E-mail:E-mail: chengtq@cmpt.cas.cn
作者简介:钟玉龙 ( 1997 - ), 安徽淮北人, 硕士, 主要从事固体激光技术方面的研究。 E-mail: yulong-z@qq.com
基金资助:
Supported by the National Key Research and Development Plan (国家重点研发计划, 2018YFB0407204)

Experimental study of LD side-pumped Tm:YAG electro-optically Q-switched laser

ZHONG Yulong 1,2 , CHENG Tingqing 1∗

( 1 Institute of Health and Medical Technology, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei 230031, China; 2 University of Science and Technology of China, Hefei 230026, China )

Received:2021-02-04 Revised:2021-04-07 Published:2022-09-28 Online:2022-09-28

摘要/Abstract

摘要： 介绍了一种激光二极管 (LD) 阵列侧面泵浦电光调 Q 的高峰值功率、窄脉宽的 Tm:YAG 激光器。使用 LGS 晶体作为电光 Q 开关, 研究了白宝石堆片和格兰棱镜分别作为起偏器时激光输出的特性。研究表明: 使用白宝石堆片作为起偏器时, 随着泵浦能量的增加会有尾脉冲出现; 而使用格兰棱镜作为起偏器时, 则无尾脉冲。使用格兰棱镜作为起偏器时, 该激光器输出激光中心波长为 2.02 µm, 在重复频率为 10 Hz 时, 可获得最大单脉冲输出能量为 60 mJ、脉冲宽度为 65.6 ns、峰值功率为 0.91 MW、斜效率为 5.41% 的激光输出。

关键词: 激光技术, Tm:YAG 激光器, 电光调Q, LD 侧面泵浦

Abstract: An electro-optic Q-switched Tm:YAG laser with high peak power and narrow pulse width side-pumped by laser diode (LD) array is introduced. Using LGS crystal as electro-optical Q-switch, the characteristics of the laser output are investigated when the white Sapphire and Glan prism are used as a polarizer respectively. The results show that when using Sapphire stack as a polarizer, there will be a tail pulse with the increase of pump energy, however, when using a Glan prism as a polarizer, there is no tail pulse. Using a Glan prism as the polarizer, the central wavelength of the laser output is 2.02 µm, and a laser output with a maximum single pulse output energy of 60 mJ, a pulse width of 65.6 ns, a peak power of 0.91 MW and a slope eﬃciency of 5.41% can be obtained at a repetition frequency of 10 Hz.

Key words: laser techniques, Tm:YAG laser, electro-optic Q-switched, LD side-pumped

中图分类号:

TN248

钟玉龙, 程庭清∗. LD 侧面泵浦 Tm:YAG 电光调 Q 激光的实验研究[J]. 量子电子学报, 2022, 39(5): 736-741.

ZHONG Yulong , , CHENG Tingqing ∗. Experimental study of LD side-pumped Tm:YAG electro-optically Q-switched laser[J]. Chinese Journal of Quantum Electronics, 2022, 39(5): 736-741.

参考文献

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LD 侧面泵浦 Tm:YAG 电光调 Q 激光的实验研究

Experimental study of LD side-pumped Tm:YAG electro-optically Q-switched laser

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