强激光与粒子束, 2015, 27 (1): 010103, 网络出版: 2015-01-26
2.14 kW级联泵浦光纤放大器
A 2.14 kW tandem pumped fiber amplifier
光纤放大器 级联泵浦 高功率 转换效率 受激拉曼散射 fiber amplifier cascaded pump high power conversion efficiency stimulated Raman scattering
摘要
利用大模场掺镱光纤搭建了1018 nm高功率光纤激光器,获得了476 W的最高输出功率。利用6台高亮度1018 nm光纤激光器泵浦掺镱光纤,搭建了全光纤结构的级联泵浦光纤放大器,实现了2.14 kW的最高输出功率,输出功率随泵浦功率线性增长,整体斜率效率为86.9%,M2因子为1.9。
Abstract
A 476 W 1018 nm ytterbium fiber laser has been demonstrated employing large mode area fiber. A high power ytterbium doped fiber amplifier pumped by 6 high brightness 1018 nm fiber lasers is constructed. The maximum output power is 2140 W, with a slope efficiency as high as 86.9%. The beam quality M2 factor is measured to be 1.9. Further power scaling is very probable if more powerful pump sources are provided.
肖虎, 冷进勇, 张汉伟, 黄良金, 郭少锋, 周朴, 陈金宝. 2.14 kW级联泵浦光纤放大器[J]. 强激光与粒子束, 2015, 27(1): 010103. Xiao Hu, Leng Jinyong, Zhang Hanwei, Huang Liangjin, Guo Shaofeng, Zhou Pu, Chen Jinbao. A 2.14 kW tandem pumped fiber amplifier[J]. High Power Laser and Particle Beams, 2015, 27(1): 010103.
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