Active/passive Q-switching operation of 2  μm Tm,Ho:YAP laser with an acousto-optical Q-switch/MoS2 saturable absorber mirror

Linjun Li; Xining Yang; Long Zhou; Wenqiang Xie; Yunlong Wang; Yingjie Shen; Yuqiang Yang; Wenlong Yang; Wei Wang; Zhiwei Lv; Xiaoming Duan; Minghua Chen

doi:doi:10.1364/PRJ.6.000614

Photonics Research, 2018, 6 (6): 06000614, Published Online: Jul. 2, 2018

Active/passive Q-switching operation of 2 μm Tm,Ho:YAP laser with an acousto-optical Q-switch/MoS₂ saturable absorber mirror

Linjun Li ^1,3,*Xining Yang ^1,4Long Zhou ^1,4Wenqiang Xie ¹Yunlong Wang ¹Yingjie Shen ^2,8Yuqiang Yang ⁵Wenlong Yang ⁵Wei Wang ⁴Zhiwei Lv ^3,9Xiaoming Duan ⁶Minghua Chen ⁷

Author Affiliations

¹ Heilongjiang Provincial Key Laboratory of Optoelectronics and Laser Technology, Heilongjiang Institute of Technology, Harbin 150050, China

² School of Opto-Electronic Information Science and Technology, Yantai University, Yantai 264005, China

³ School of Electronic and Information Engineering, Hebei University of Technology, Tianjin 300401, China

⁴ The Higher Educational Key Laboratory for Measuring & Control Technology and Instrumentations of Heilongjiang Province, Harbin University of Science and Technology, Harbin 150080, China

⁵ College of Sciences, Harbin University of Science and Technology, Harbin 150080, China

⁶ National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China

⁷ Key Laboratory of Engineering Dielectric and Applications, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, China

⁸ e-mail: Yingjieyj@163.com

⁹ e-mail: ZhiweiLV@hebut.edu.cn

Lasers, Q-switched Lasers, solid-state

Abstract

The active/passive Q-switching operation of a 2 μm a-cut Tm,Ho:YAP laser was experimentally demonstrated with an acousto-optical Q–switch/MoS2 saturable absorber mirror. The active Q-switch laser was operated for the first time, to the best of our knowledge, with an average output power of 12.3 W and a maximum pulse energy of 10.3 mJ. The passive Q-switch laser was also the first acquired with an average output power of 3.3 W and per pulse energy of 23.31 μJ, and the beam quality factors of Mx2=1.06 and My2=1.06 were measured at the average output power of 2 W.

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Linjun Li, Xining Yang, Long Zhou, Wenqiang Xie, Yunlong Wang, Yingjie Shen, Yuqiang Yang, Wenlong Yang, Wei Wang, Zhiwei Lv, Xiaoming Duan, Minghua Chen. Active/passive Q-switching operation of 2 μm Tm,Ho:YAP laser with an acousto-optical Q-switch/MoS₂ saturable absorber mirror[J]. Photonics Research, 2018, 6(6): 06000614.

Active/passive Q-switching operation of 2 μm Tm,Ho:YAP laser with an acousto-optical Q-switch/MoS₂ saturable absorber mirror

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