A Kilowatt All-Fiber Cascaded Amplifier

被引：18
|
作者：
Huang, Zhihe [1 ]
Cao, Jianqiu [1 ]
An, Yingye [1 ]
Guo, Shaofeng [1 ]
Pan, Zhiyong [1 ]
Leng, Jingyong [1 ]
Chen, Jinbao [1 ]
Xu, Xiaojun [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Peoples R China
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2015年 / 27卷 / 16期
关键词：
Ytterbium doped fiber amplifiers; fiber lasers; high power amplifiers; CLADDING-PUMPED FIBERS; POWER-AMPLIFIERS; LASERS;
D O I：
10.1109/LPT.2015.2426191
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：
A kilowatt all-fiber cascaded amplifier is demonstrated with a distributed side-coupled cladding-pumped Yb-doped fiber for the first time, to the best of our knowledge. Two-stage cascaded amplification is realized in the amplifier, with a total output power of 1.009 kW and an optical-to-optical efficiency of 76.8% with respect to launched pump power. The output beam quality of the cascaded amplifier is also measured, and the M-2 factor is similar to 2.1. The results illuminate that the cascaded amplifier should be beneficial to the power scalability of fiber laser systems.
引用
收藏
页码：1683 / 1686
页数：4
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