3.2 kW Single-Mode Fiber Oscillator Based on FBGs Inscribed by Femtosecond Laser

Hongye Li; Baiyi Wu; Meng Wang; Xiaofan Zhao; Xin Tian; Chenhui Gao; Binyu Rao; Xiaoming Xi; Zilun Chen; Zhiyong Pan; Xiaolin Wang; Zefeng Wang

doi:10.3788/CJL202249.0315002

Chinese Journal of Lasers, Volume. 49, Issue 3, 0315002(2022)

3.2 kW Single-Mode Fiber Oscillator Based on FBGs Inscribed by Femtosecond Laser

Hongye Li^1,2, Baiyi Wu^1,2,3、*, Meng Wang^1,2,3、**, Xiaofan Zhao^1,3, Xin Tian^1,2, Chenhui Gao^1,3, Binyu Rao^1,3, Xiaoming Xi^1,2,3, Zilun Chen^1,2,3, Zhiyong Pan^1,2,3, Xiaolin Wang^1,2,3, and Zefeng Wang^1,2,3、***

Author Affiliations

¹College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, Hunan 410073, China

²State Key Laboratory of Pulsed Power Laser Technology, Changsha, Hunan 410073, China

³Hunan Provincial Key Laboratory of High Energy Laser Technology, Changsha, Hunan 410073, China

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Figures & Tables(2)

Fig. 1. Inscription of FBG. (a) Schematic of femtosecond laser phase mask dynamic writing system; (b) transmission spectra of high-reflection FBG and low-reflection FBG

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Fig. 2. High power laser experiment. (a) Schematic of oscillator; (b) laser spectra under different output powers (inset：beam profile at output power of 3231 W); (c) relationship between output power of oscillator and pump power

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Hongye Li, Baiyi Wu, Meng Wang, Xiaofan Zhao, Xin Tian, Chenhui Gao, Binyu Rao, Xiaoming Xi, Zilun Chen, Zhiyong Pan, Xiaolin Wang, Zefeng Wang. 3.2 kW Single-Mode Fiber Oscillator Based on FBGs Inscribed by Femtosecond Laser[J]. Chinese Journal of Lasers, 2022, 49(3): 0315002

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Paper Information

Category: Letters

Received: Oct. 11, 2021

Accepted: Nov. 8, 2021

Published Online: Jan. 18, 2022

The Author Email: Wu Baiyi (18769783256@163.com), Wang Meng (gfkdqy@163.com), Wang Zefeng (zefengwang_nudt@163.com)

DOI:10.3788/CJL202249.0315002

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology