Analysis of the effects of mismatched errors on coherent beam combining based on a self-imaging waveguide

被引：5
作者：
Tao, R. [1 ]
Wang, X. [1 ]
Zhou, P. [1 ]
Si, L. [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
QUANTUM ELECTRONICS | 2016年 / 46卷 / 01期
关键词：
self-imaging effects; laser beam combining; fibre lasers; TRANSPARENT BOUNDARY-CONDITION; FIBER AMPLIFIER ARRAY; LASERS; COMBINATION; PHASE; PROPAGATION; KW; DEVICES; IMAGES;
D O I：
10.1070/QE2016v046n01ABEH015591
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 theoretical model of coherent beam combining (CBC) based on a self-imaging waveguide (SIW) is built and the effects of mismatched errors on SIW-based CBC are simulated and analysed numerically. With the combination of the theoretical model and the finite difference beam propagation method, two main categories of errors, assembly and nonassembly errors, are numerically studied to investigate their effect on the beam quality by using the M-2 factor. The optimisation of the SIW and error control principle of the system is briefly discussed. The generalised methodology offers a good reference for investigating waveguide-based high-power coherent combining of fibre lasers in a comprehensive way.
引用
收藏
页码：61 / 67
页数：7
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