2.14kW级联泵浦光纤放大器  

A 2.14kW tandem pumped fiber amplifier

作　　者：肖虎[1] 冷进勇[1] 张汉伟[1] 黄良金[1] 郭少锋[1] 周朴[1] 陈金宝[1] 

机构地区：[1]国防科学技术大学光电科学与工程学院,长沙410073

出　　处：《强激光与粒子束》2015年第1期6-7,共2页High Power Laser and Particle Beams

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。A 476 W1018 nm ytterbium fiber laser has been demonstrated employing large mode area fiber.A high power ytterbium doped fiber amplifier pumped by 6high brightness 1018 nm fiber lasers is constructed.The maximum output power is2140 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.

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 

分 类 号：TN248.1[电子电信—物理电子学]