Volume 35 Issue 2
Jan.  2023
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Article Navigation >  High Power Laser and Particle Beams  > 2023  >  35(2): 021001
Shi Difu, Qian Baoliang. Simulation study on relativistic magnetron with online switchable rotation direction of a circularly polarized TE11output mode[J]. High Power Laser and Particle Beams, 2021, 33: 073003. doi: 10.11884/HPLPB202133.210124
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
shu

20 kW monolithic fiber amplifier directly pumped by LDs

doi: 10.11884/HPLPB202335.220424
  • 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

  • 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.

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    • References(7)
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