Beam shaping and fibre coupling of high-power diode laser arrays

被引：0
|
作者：
Ehlers, B
Du, K
Baumann, M
Treusch, HG
Loosen, P
Poprawe, R
机构：
来源：
LASERS IN MATERIAL PROCESSING | 1997年 / 3097卷
关键词：
diode laser arrays; laser beam shaping; micro optics; optical system design; fibre-optic components; solid-state laser pumping; material processing;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A technique for coupling the radiation of a high-power diode laser bar into one multimode fibre with high efficiency, easy alignment requirements and low manufacturing costs is demonstrated using a single fibre with 400 mu m core diameter. The principal item of the fibre-coupling system is a pair of micro step-mirrors - a novel design for beam shaping. The overall efficiency from diode-laser to fibre is 71% with 20 W cw laser Fewer through the fibre. Polarisation and wavelength multiplexing renders the system scaleable to higher output power which makes it highly suitable for material processing and pumping of lasers.
引用
收藏
页码：639 / 644
页数：6
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