20 kW monolithic fiber amplifier directly pumped by LDs

Xi Xiaoming; Yang Baolai; Zhang Hanwei; Pan Zhiyong; Huang Liangjin; Wang Peng; Yang Huan; Shi Chen; Yan Zhiping; Chen Zilun; Wang Xiaolin; Han Kai; Wang Zefeng; Zhou Pu; Xu Xiaojun

doi:10.11884/HPLPB202335.220424

Volume 35 Issue 2

Jan. 2023

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Article Navigation > High Power Laser and Particle Beams > 2023 > 35(2): 021001

Xi Xiaoming, Yang Baolai, Zhang Hanwei, et al. 20 kW monolithic fiber amplifier directly pumped by LDs[J]. High Power Laser and Particle Beams, 2023, 35: 021001. doi: 10.11884/HPLPB202335.220424

Citation:

Xi Xiaoming, Yang Baolai, Zhang Hanwei, et al. 20 kW monolithic fiber amplifier directly pumped by LDs[J]. High Power Laser and Particle Beams, 2023, 35: 021001. doi: 10.11884/HPLPB202335.220424

Xi Xiaoming, Yang Baolai, Zhang Hanwei, et al. 20 kW monolithic fiber amplifier directly pumped by LDs[J]. High Power Laser and Particle Beams, 2023, 35: 021001. doi: 10.11884/HPLPB202335.220424

Citation:

Xi Xiaoming, Yang Baolai, Zhang Hanwei, et al. 20 kW monolithic fiber amplifier directly pumped by LDs[J]. High Power Laser and Particle Beams, 2023, 35: 021001. doi: 10.11884/HPLPB202335.220424

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20 kW monolithic fiber amplifier directly pumped by LDs

doi: 10.11884/HPLPB202335.220424

Xi Xiaoming^{1, 2
,},
Yang Baolai^{1, 2},
Zhang Hanwei^{1, 2},
Pan Zhiyong^{1, 2},
Huang Liangjin^{1, 2},
Wang Peng^{1, 2},
Yang Huan^{1, 2},
Shi Chen^{1, 2},
Yan Zhiping^{1, 2},
Chen Zilun^{1, 2},
Wang Xiaolin^{1, 2
,
,},
Han Kai^{1, 2},
Wang Zefeng^{1, 2
,
,},
Zhou Pu^{1
,
,},
Xu Xiaojun^{1, 2}

1.
College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
2.
Nanhu Laboratory, National University of Defense Technology, Changsha 410073, China

Received Date: 2022-12-20
Accepted Date: 2023-01-19
Rev Recd Date: 2023-01-18

Available Online: 2023-01-20

Publish Date: 2023-01-14

Abstract

Abstract

Thanks to the advantages of compact, inexpensive and high conversion efficiency, high power fiber lasers are highly desired in industry applications. Recently, an all-fiber high power fiber amplifier directly pumped by laser diodes (LDs) was experimentally established. A maximum power of 20.27 kW was achieved with the optical-to-optical efficiency of 84.8%, central wavelength of 1080 nm, and Raman-suppression ratio of >50 dB. We believe that the brightness and the output power can be further improved by optimizing the design of the Yb-doped fiber and devices.
- fiber laser,
- fiber amplifier,
- laser diode,
- backward pumping

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References(7)

References

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