2.5 kW monolithic continuous wave (CW) near diffraction-limited fiber laser at 1080 nm

被引：53
|
作者：
Fang, Qiang [1 ,2 ]
Shi, Wei [1 ,2 ,3 ]
Qin, Yuguo [1 ]
Meng, Xiangjie [1 ]
Zhang, Qihang [1 ]
机构：
[1] Shandong HFB Photon Co Ltd, Weihai 264209, Shandong, Peoples R China
[2] Tianjin Inst Modern Laser & Opt Technol, Tianjin 300384, Peoples R China
[3] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300070, Peoples R China
来源：
LASER PHYSICS LETTERS | 2014年 / 11卷 / 10期
基金：
国家高技术研究发展计划(863计划);
关键词：
monolithic; continuous wave (CW) laser; high power; fiber laser;
D O I：
10.1088/1612-2011/11/10/105102
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a monolithic continuous wave (CW) fiber laser source at 1080 nm, producing 2.5 kW average laser power with near diffraction-limited beam quality (M-2 < 1.3). The laser consists of a CW fiber laser oscillator and one double cladding (DC) fiber amplifier in the master oscillator-power amplifier (MOPA) configuration. The optical-to-optical conversion efficiency of the entire laser system with respect to the launched pump power is similar to 77.9%.
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页数：3
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