Citation: | Xi Xiaoming, Yang Huan, Zeng Lingfa, et al. 5 kW all-fiber amplifier based on homemade spindle-shaped Yb-doped fiber[J]. High Power Laser and Particle Beams, 2021, 33: 021001. doi: 10.11884/HPLPB202133.200309 |
To enhance the thresholds of both stimulated Raman scattering and transverse mode instability, we proposed a novel active Yb-doped fiber with a spindle-shaped core and inner-cladding. An all-fiber main oscillator power amplifier (MOPA) was experimentally established based on this homemade fiber. A maximum power of 5 kW was achieved with the optical-to-optical efficiency of 66.6%, Raman-suppression ratio of >45 dB and M2 factor of about 2.0. We believe that the brightness and the efficiency of the laser can be improved by optimizing the structure of the Yb-doped fiber.
[1] |
Richardson D J, Nilsson J, Clarkson W A. High power fiber lasers: Current status and future perspectives[J]. Journal of the Optical Society of America B, 2010, 27(11): B63-B92. doi: 10.1364/JOSAB.27.000B63
|
[2] |
Zervas M N. High power ytterbium-doped fiber lasers: fundamentals and applications[J]. International Journal of Modern Physics B, 2014, 28(12): 1442009. doi: 10.1142/S0217979214420090
|
[3] |
O’Connor M, Gapontsev V, Fomin V, et al. Power scaling of SM fiber lasers toward 10 kW[C]//Conference on Lasers and Electro-Optics. 2009: CThA3.
|
[4] |
林宏奂, 唐选, 李成钰, 等. 全国产单纤激光系统获得10.6 kW激光输出[J]. 中国激光, 2018, 45:0315001. (Lin Honghuan, Tang Xuan, Li Chengyu, et al. The localization single-fiber laser system obtained 10.6 kW laser output[J]. Chinese Journal of Lasers, 2018, 45: 0315001 doi: 10.3788/CJL201845.0315001
|
[5] |
陈晓龙, 楼风光, 何宇, 等. 高效率全国产化10 kW光纤激光器[J]. 光学学报, 2019, 39:0336001. (Chen Xiaolong, Lou Fengguang, He Yu, et al. Home-made 10 kW fiber laser with high efficiency[J]. Acta Optica Sinica, 2019, 39: 0336001 doi: 10.3788/AOS201939.0336001
|
[6] |
Ye Yun, Xi Xiaoming, Shi Chen, et al. Experimental study of 5-kW high-stability monolithic fiber laser oscillator with or without external feedback[J]. IEEE Photonics Journal, 2019, 11(4): 1503508.
|
[7] |
Lou Zhaokai, Han Kai, Wang Xiaolin, et al. Increasing the SBS threshold by applying a flexible temperature modulation technique with temperature measurement of the fiber core[J]. Optics Express, 2020, 28(9): 13323-13335. doi: 10.1364/OE.389333
|
[8] |
Eidam T, Wirth C, Jauregui C, et al. Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers[J]. Optics Express, 2011, 19(14): 13218-13224. doi: 10.1364/OE.19.013218
|
[9] |
Zeng Lingfa, Xi Xiaoming, Ye Yun, et al. A near-single-mode 3 kW monolithic fiber oscillator based on longitudinally spindle-shaped Yb-doped fiber[J]. Opt Lett, 2020, 45(20): 5792-5795. doi: 10.1364/OL.404893
|
[10] |
安毅, 杨欢, 肖虎, 等. 国产双锥形光纤实现4 kW单模激光输出[J]. 中国激光, 2021, 48:0115002. (An Yi, Yang Huan, Xiao Hu, et al. 4 kW single-mode laser output using homemade double-tapered fiber[J]. Chinese Journal of Lasers, 2021, 48: 0115002
|
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