Chinese Optics Letters, 2010, 8 (5): 490, Published Online: May. 11, 2010  

Effects of space duty cycle on the characteristics of fiber laser coherent beam combination Download: 759次

Wei Wang 1,2,3Qihong Lou 1,2Bing He 1,2Jun Zhou 1,2Zhen Li 1,2,3Yuhao Xue 1,2,3Xia Liu 1,2,3
Author Affiliations
1 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai 201800, China
3 Graduate University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
The characteristics of fiber laser coherent beam combination are investigated by using a 2×2 fiber laser array with a self-Fourier cavity. The experimental results show that with a certain output width the power ratio of the center spot is increased with the increase of space duty cycle, meanwhile the number of secondary spots is decreased correspondingly. The results are in agreement with theoretic analysis.

Wei Wang, Qihong Lou, Bing He, Jun Zhou, Zhen Li, Yuhao Xue, Xia Liu. Effects of space duty cycle on the characteristics of fiber laser coherent beam combination[J]. Chinese Optics Letters, 2010, 8(5): 490.

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