强激光与粒子束, 2020, 32 (1): 011005, 网络出版: 2020-03-31
窄线宽光纤激光器在1 030 nm波段实现3 kW近衍射极限输出
All-fiber narrow linewidth fiber laser achieved 3 kW near diffraction limited output at 1 030 nm
窄线宽激光器 掺镱激光器 单模激光器 放大自发辐射 narrow linewidth fiber laser ytterbium doped fiber laser single mode fiber laser amplified spontaneous emission
摘要
基于大模场面积掺镱光纤搭建了全光纤1 030 nm高功率窄线宽光纤激光主振荡功率放大系统，实现了3 004 W的最高功率输出，斜率效率69.27%，是目前报道的输出功率最高的1 030 nm波段近衍射极限光纤激光器。最高输出功率时，x，y方向的光束质量因子分别为1.169，1.174，3 dB光谱宽度为0.18 nm，放大自发辐射抑制比达到37 dB。
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 Mx2＝1.169, My2＝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.
楚秋慧, 舒强, 林宏奂, 陶汝茂, 颜冬林, 王建军, 景峰. 窄线宽光纤激光器在1 030 nm波段实现3 kW近衍射极限输出[J]. 强激光与粒子束, 2020, 32(1): 011005. Qiuhui Chu, Qiang Shu, Honghuan Lin, Rumao Tao, Donglin Yan, Jianjun Wang, Feng Jing. 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(1): 011005.
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