Design of a kW-output fiber coupled diode laser system

被引：0
|
作者：
Wu Hualing [1 ,2 ]
Guo Linhui [1 ,2 ]
Yu Junhong [1 ,2 ]
Gao Songxin [1 ,2 ]
Wu Deyong [1 ,2 ]
机构：
[1] CAEP, Key Lab Sci & Technol High Energy Laser, Mianyang 621900, Peoples R China
[2] CAEP, Inst Appl Elect, Mianyang 621900, Peoples R China
来源：
AOPC 2015: ADVANCES IN LASER TECHNOLOGY AND APPLICATIONS | 2015年 / 9671卷
关键词：
high brightness pumping source; diode laser; fiber-coupled; Zemax design;
D O I：
10.1117/12.2199691
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：
Fiber-coupled diode laser pumping source is one of the key components of high-power fiber laser system. Its performance is significant to the output power of fiber laser system. A 1.8kW fiber-coupled diode laser system is designed by using ZEMAX optical design software. The technologies of high-precision beam collimation, spatial multiplexing, polarization multiplexing, beam expanding, focusing and coupling are used to couple the beams of 42 diode laser bars into a fiber with a core diameter of 200 mu m and NA 0.22. Every beam emit from diode laser bar is single polarization, and its central wavelength is 976nm @ 55W. The desigh result showed the fiber output power could reach 1800W, and the fiber-coupling efficiency was 78%, the brightness was 37MW/(cm(2).sr), corresponding. This fiber-coupled system can be used in fiber pumping, material process and many other areas.
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页数：6
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