Integrated fiber cladding power stripper and end-cap with 20 kW output power

Yuan Weiyi; Fu Min; Li Zhixian; Wang Zefeng; Chen Zilun

doi:10.11884/HPLPB202234.220221

Volume 34 Issue 11

Sep. 2022

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Article Navigation > High Power Laser and Particle Beams > 2022 > 34(11): 111001

Song Xiaozong, Zhou Youxin. Impacting dynamics of ultraviolet induced nanoparticle colloid microjet[J]. High Power Laser and Particle Beams, 2016, 28: 064118. doi: 10.11884/HPLPB201628.064118

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Yuan Weiyi, Fu Min, Li Zhixian, et al. Integrated fiber cladding power stripper and end-cap with 20 kW output power[J]. High Power Laser and Particle Beams, 2022, 34: 111001. doi: 10.11884/HPLPB202234.220221

Song Xiaozong, Zhou Youxin. Impacting dynamics of ultraviolet induced nanoparticle colloid microjet[J]. High Power Laser and Particle Beams, 2016, 28: 064118. doi: 10.11884/HPLPB201628.064118

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Integrated fiber cladding power stripper and end-cap with 20 kW output power

doi: 10.11884/HPLPB202234.220221

Yuan Weiyi^1
,,
Fu Min¹,
Li Zhixian¹,
Wang Zefeng^{1, 2, 3},
Chen Zilun^{1, 2, 3
,
,}

1.
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
2.
Nanhu Laser Laboratory, National University of Defense Technology, Changsha 410073, China
3.
State Key Laboratory of Pulsed Power Laser Technology, Changsha 410073, China

Received Date: 2022-07-11
Rev Recd Date: 2022-09-13

Available Online: 2022-09-15

Publish Date: 2022-09-20

Abstract

Abstract

In high power fiber laser system, the cladding power stripper can remove cladding light to ensure the quality of the output laser beam. The fiber end-cap reduces the optical power density of the output fiber end by expanding the output laser beam, so as to protect the fiber end face. Both of them are important core devices for stable operation of high power fiber laser system. In this paper, the integrated design of cladding power stripper and fiber end-cap is carried out. The integrated high power cladding power stripper and fiber end-cap is applied to a 20 kW beam combination system and a single fiber system. When the output power is 20 kW, the maximum temperature of the end-cap is about 40 ℃ and the temperature rise rate is about 0.8 ℃/kW.
- fiber laser,
- high power,
- cladding power stripper,
- fiber end-cap

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References(5)

References

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[5]	陈子伦, 雷成敏, 王泽锋, 等. 基于输出光纤为50 μm的7×1光纤功率合束器实现大于14 kW的高光束质量光纤激光合成[J]. 中国激光, 2018, 45:0415001 doi: 10.3788/CJL201845.0415001 Chen Zilun, Lei Chengmin, Wang Zefeng, et al. Fiber laser synthesis with high beam quality larger than 14kW is realized based on a 7×1 fiber signal combiner with output fiber of 50 μm[J]. Chinese Journal of Lasers, 2018, 45: 0415001 doi: 10.3788/CJL201845.0415001

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