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2017 nm和2029 nm双波长调Q锁模Tm∶LuAG激光器

Dual-Wavelength Passively Q-Switched Mode-Locked Tm∶LuAG Laser Operating at 2017 nm and 2029 nm

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摘要

采用双壁碳纳米管可饱和吸收体为锁模启动元件,在Tm∶LuAG激光器中实现了输出波长分别为2017 nm和2029 nm的双波长被动调Q锁模运转。该实验装置以可调谐掺钛蓝宝石激光器为抽运源,选用透过率为3%的输出耦合镜,当吸收功率大于2292 mW时,激光运转进入稳定调Q锁模状态。最大吸收抽运功率达到6.7 W时,调Q锁模输出功率为1.28 W,斜效率为22.39%,锁模脉冲的重复频率为102 MHz,对应的单脉冲能量为12.55 nJ。

Abstract

By employing double-walled carbon nanotubes as a saturable absorber to start mode locking, we experimentally demonstrate dual-wavelength operation of a passively Q-switched, mode-locked (QML) Tm∶LuAG bulk laser at the wavelengths of 2017 nm and 2027 nm. Herein, the laser is pumped by a wavelength-tunable Ti∶sapphire solid-state laser, and when the absorbed pump power is greater than 2292 mW, the laser enters a stable QML state of operation. By using an output coupler with transmittance of 3%, when the absorbed pump power reaches 6.7 W, the QML output power is 1.28 W, corresponding to a slope efficiency of 22.39%. The repetition rate is 102 MHz, which corresponds to a single-pulse energy of 12.55 nJ.

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中图分类号:TN248.1

DOI:10.3788/AOS201939.1214004

所属栏目:激光器与激光光学

基金项目:国家自然科学基金、陕西省国际科技合作与交流项目、宝鸡市重大科技专项计划项目、天水市科技支撑计划自然科学基金;

收稿日期:2019-07-29

修改稿日期:2019-09-02

网络出版日期:2019-12-01

作者单位    点击查看

孙锐:天水师范学院激光技术研究所, 甘肃 天水 741001宝鸡文理学院物理与光电技术学院, 陕西 宝鸡 721016
陈晨:天水师范学院激光技术研究所, 甘肃 天水 741001宝鸡文理学院物理与光电技术学院, 陕西 宝鸡 721016
令维军:天水师范学院激光技术研究所, 甘肃 天水 741001
董忠:天水师范学院激光技术研究所, 甘肃 天水 741001
张明霞:天水师范学院激光技术研究所, 甘肃 天水 741001
康翠萍:宝鸡文理学院物理与光电技术学院, 陕西 宝鸡 721016
张亚妮:宝鸡文理学院物理与光电技术学院, 陕西 宝鸡 721016陕西科技大学文理学院, 陕西 西安 710021
许强:宝鸡文理学院物理与光电技术学院, 陕西 宝鸡 721016

联系人作者:令维军(wjlingts@sina.com); 董忠(dz0212@foxmail.com);

备注:国家自然科学基金、陕西省国际科技合作与交流项目、宝鸡市重大科技专项计划项目、天水市科技支撑计划自然科学基金;

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引用该论文

Sun Rui,Chen Chen,Ling Weijun,Dong Zhong,Zhang Mingxia,Kang Cuiping,Zhang Yani,Xu Qiang. Dual-Wavelength Passively Q-Switched Mode-Locked Tm∶LuAG Laser Operating at 2017 nm and 2029 nm[J]. Acta Optica Sinica, 2019, 39(12): 1214004

孙锐,陈晨,令维军,董忠,张明霞,康翠萍,张亚妮,许强. 2017 nm和2029 nm双波长调Q锁模Tm∶LuAG激光器[J]. 光学学报, 2019, 39(12): 1214004

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