High-power tandem pumped fiber amplifier with an output power of 2.9 kW

被引：73
|
作者：
Wirth, Christian [1 ]
Schmidt, Oliver [1 ]
Kliner, Andrea [2 ]
Schreiber, Thomas [1 ]
Eberhardt, Ramona [1 ]
Tuennermann, Andreas [1 ,2 ]
机构：
[1] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany
[2] Univ Jena, Inst Appl Phys, D-07745 Jena, Germany
来源：
OPTICS LETTERS | 2011年 / 36卷 / 16期
关键词：
LASER;
D O I：
10.1364/OL.36.003061
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on a high power fiber amplifier tandem pumped by an industrial style thin-disk laser. An output power of 1 kW and a very good slope efficiency of 73% have been obtained for a state-of-the-art photonic crystal fiber originally designed for short-pulse amplification. We also compare this result to an experiment, where a power of 2.9 kW could be obtained from a step-index large-mode-area fiber with the same slope efficiency. (C) 2011 Optical Society of America
引用
收藏
页码：3061 / 3063
页数：3
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