All-fiber narrow linewidth fiber laser achieved 3 kW near diffraction limited output at 1 030 nm

Chu Qiuhui; Shu Qiang; Lin Honghuan; Tao Rumao; Yan Donglin; Wang Jianjun; Jing Feng

doi:10.11884/HPLPB202032.190463

Volume 32 Issue 1

Dec. 2019

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Chu Qiuhui, Shu Qiang, Lin Honghuan, et al. All-fiber narrow linewidth fiber laser achieved 3 kW near diffraction limited output at 1 030 nm[J]. High Power Laser and Particle Beams, 2020, 32: 011005. doi: 10.11884/HPLPB202032.190463

Citation:

Chu Qiuhui, Shu Qiang, Lin Honghuan, et al. All-fiber narrow linewidth fiber laser achieved 3 kW near diffraction limited output at 1 030 nm[J]. High Power Laser and Particle Beams, 2020, 32: 011005. doi: 10.11884/HPLPB202032.190463

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All-fiber narrow linewidth fiber laser achieved 3 kW near diffraction limited output at 1 030 nm

doi: 10.11884/HPLPB202032.190463

Research Center of Laser Fusion, CAEP, P. O. Box 919-988, Mianyang 621900, China

Received Date: 2019-11-25
Rev Recd Date: 2019-12-15
Publish Date: 2019-12-26

Abstract

Abstract

In this paper, we demonstrate an all-fiber high-power Yb-doped 1 030 nm fiber laser based on master oscillator power amplifier structure. The record output power at 1 030 nm up to 3 004 W was achieved, along with a slope efficiency of 69.27%, which is the highest output power for 1030 nm near diffraction limited beam quality fiber laser. The beam quality factor is M_x²＝1.169, M_y²＝1.174, and full width at half maximum is 0.18 nm at maximum power level. The amplified spontaneous emission (ASE) suppression ratio reaches up to 37 dB.
- narrow linewidth fiber laser,
- ytterbium doped fiber laser,
- single mode fiber laser,
- amplified spontaneous emission

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References(9)

References

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