All-Fiber Counter-Propagation Pumped Single Frequency Amplifier Stage With 300-W Output Power

被引：87

作者：

Theeg, Thomas ^{[1
,2
]}

Sayinc, Hakan ^{[1
,2
]}

Neumann, Joerg ^{[1
,2
]}

Kracht, Dietmar ^{[1
,2
]}

机构：

[1] Laser Zentrum Hannover eV, D-30419 Hannover, Germany

[2] Ctr Quantum Engn & Space Time Res QUEST, D-30167 Hannover, Germany

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2012年 / 24卷 / 20期

关键词：

All-fiber pump light combiner; single-frequency; stimulated Brillouin scattering; ytterbium fiber amplifier; STIMULATED BRILLOUIN-SCATTERING; MODE; SUPPRESSION; INDEX;

D O I：

10.1109/LPT.2012.2217487

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a single frequency ytterbium-doped fiber amplifier, counter-propagation pumped with an all-fiber pump and signal combiner. The fiber combiner is capable of handling 440 W of pump power as well as the maximum achieved output power of 301 W. The threshold of stimulated Brillouin scattering of the high-power fiber amplifier was shifted from 175 to 280 W by external thermal management in combination with the pump-induced intrinsic temperature gradient.

引用

页码：1864 / 1867

页数：4

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