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Volume 11
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10.3390/cryst11080898
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Article

Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method

by
Jian Liu
1,2,
Jifei Dong
1,
Yinyin Wang
1,
Hangqi Yuan
1,
Qingsong Song
2,
Yanyan Xue
2,
Jie Xu
1,
Peng Liu
1,
Dongzhen Li
1,
Kheirreddine Lebbou
3,
Zhanxin Wang
1,
Yongguang Zhao
1,*,
Xiaodong Xu
1,* and
Jun Xu
2,*
1
Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
2
School of Physics Science and Engineering, Institute for Advanced Study, Tongji University, Shanghai 200092, China
3
Institut Lumière Matière, UMR5306 Université Lyon1-CNRS, Université de Lyon, 69622 Lyon, France
*
Authors to whom correspondence should be addressed.
Crystals 2021, 11(8), 898; https://doi.org/10.3390/cryst11080898
Submission received: 10 July 2021 / Revised: 28 July 2021 / Accepted: 28 July 2021 / Published: 31 July 2021
(This article belongs to the Special Issue New Trends in Growth Technique of Micro-Pulling-Down Method)
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Abstract

Single crystals fiber (SCF) of LuAG doped with 2.0 at.% thulium has been grown by using micro-pulling down (µ-PD) technique. A continuous-wave output power of 2.44 W was achieved with a slope efficiency of 11.7% using a 783-nm diode laser as pump source. The beam quality factors M2 were 1.14 and 1.67 in the x and y directions, respectively. This is, to the best of our knowledge, the first report on the Tm:LuAG SCF laser. Using ray tracing analysis, the influence of laser performance by the pump intensity distribution in the SCF was also studied.
Keywords: Tm:LuAG; single crystal fiber; mid-infrared laser Tm:LuAG; single crystal fiber; mid-infrared laser

Share and Cite

MDPI and ACS Style

Liu, J.; Dong, J.; Wang, Y.; Yuan, H.; Song, Q.; Xue, Y.; Xu, J.; Liu, P.; Li, D.; Lebbou, K.; et al. Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method. Crystals 2021, 11, 898. https://doi.org/10.3390/cryst11080898

AMA Style

Liu J, Dong J, Wang Y, Yuan H, Song Q, Xue Y, Xu J, Liu P, Li D, Lebbou K, et al. Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method. Crystals. 2021; 11(8):898. https://doi.org/10.3390/cryst11080898

Chicago/Turabian Style

Liu, Jian, Jifei Dong, Yinyin Wang, Hangqi Yuan, Qingsong Song, Yanyan Xue, Jie Xu, Peng Liu, Dongzhen Li, Kheirreddine Lebbou, and et al. 2021. "Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method" Crystals 11, no. 8: 898. https://doi.org/10.3390/cryst11080898

APA Style

Liu, J., Dong, J., Wang, Y., Yuan, H., Song, Q., Xue, Y., Xu, J., Liu, P., Li, D., Lebbou, K., Wang, Z., Zhao, Y., Xu, X., & Xu, J. (2021). Laser Operation of Tm: LuAG Single-Crystal Fiber Grown by the Micro-Pulling down Method. Crystals, 11(8), 898. https://doi.org/10.3390/cryst11080898

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