| 2.14kW级联泵浦光纤放大器 |
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| 引用本文： | 肖虎,冷进勇,张汉伟,黄良金,郭少锋,周朴,陈金宝.2.14kW级联泵浦光纤放大器[J].强激光与粒子束,2015,27(1):010103. |
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| 作者姓名： | 肖虎 冷进勇 张汉伟 黄良金 郭少锋 周朴 陈金宝 |
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| 作者单位： | 1.国防科学技术大学 光电科学与工程学院, 长沙 41 0073 |
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| 摘 要： | 利用大模场掺镱光纤搭建了1018nm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1018nm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2.14kW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。
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| 关 键 词： | 光纤放大器 级联泵浦 高功率 转换效率 受激拉曼散射 |
| 收稿时间： | 2014/11/12 |
A 2.14 kW tandem pumped fiber amplifier |
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| Institution: | 1.College of Optoelectronic Science and Engineering,National University of Defense Technology,Changsha 410073,China |
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| 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. |
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| Keywords: | fiber amplifier cascaded pump high power conversion efficiency stimulated Raman scattering |
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