Robust single-mode ytterbium-doped large pitch fiber emitting 294 W

被引：0
|
作者：
Jansen, Florian [1 ]
Stutzki, Fabian [1 ]
Eidam, Tino [1 ]
Steinmetz, Alexander [1 ]
Jauregui, Cesar [1 ]
Limpert, Jens [1 ]
Tuennermann, Andreas [1 ]
机构：
[1] Univ Jena, Inst Appl Phys, D-07745 Jena, Germany
来源：
FIBER LASERS VIII: TECHNOLOGY, SYSTEMS, AND APPLICATIONS | 2011年 / 7914卷
关键词：
Yb-doped fiber; fiber laser; fiber amplifier; high power; large mode area; single-mode; AREA;
D O I：
10.1117/12.874756
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Ytterbium-doped Large Pitch Fibers with very large mode areas are investigated in a high power fiber amplifier configuration. An average output power of 294 W is demonstrated, while maintaining robust single-mode operation with a mode field diameter of 62 mu m. Compared to previous active large mode area designs the threshold of mode instabilities is increased by a factor of about 3.
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页数：6
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