Coherent Beam Combining of Fiber Amplifiers Using Stochastic Parallel Gradient Descent Algorithm and Its Application

被引：198

作者：

Zhou, Pu ^{[1
]}

Liu, Zejin ^{[1
]}

Wang, Xiaolin ^{[1
]}

Ma, Yanxing ^{[1
]}

Ma, Haotong ^{[1
]}

Xu, Xiaojun ^{[1
]}

Guo, Shaofeng ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2009年 / 15卷 / 02期

关键词：

Beam shaping; beam steering; coherent beam combining; fiber amplifier; stochastic parallel gradient descent (SPGD) algorithm; PHASE-DISTORTION CORRECTION; HIGH-POWER; ADAPTIVE OPTICS; ARRAY; LASER; COMBINATION; OPTIMIZATION; COLLIMATORS; TECHNOLOGY; PROJECTION;

D O I：

10.1109/JSTQE.2008.2010231

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：

We present theoretical and experimental research on coherent beam combining of fiber amplifiers using stochastic parallel gradient descent (SPGD) algorithm. The feasibility of coherent beam combining using SPGD algorithm is detailed analytically. Numerical simulation is accomplished to explore the scaling potential to higher number of laser beams. Experimental investigation on coherent beam combining of two and three W-level fiber,amplifiers is demonstrated. Several application fields, i.e., atmosphere distortion compensating, beam steering, and beam shaping based on coherent beam combining using SPGD algorithm are proposed.

引用

页码：248 / 256

页数：9

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