[1] [1] Anderegg J, Brosnan S, Weber M, et al. 8-watt coherently phased 4-element fiber array[J]. Proceedings of SPIE, 2003, 4974: 1-6.

[3] [3] Marmo Jay, Injeyan Hagop, Komine Hiroshi, et al. Joint high power solid state laser program advancements at Northrop Grumman[J]. Proceedings of SPIE7195, (719507): 1-6.

[6] [6] LIU Ling, Mikhail A Vorontsov. Phase-locking of tiled fiber array using SPGD feedback controller[J]. Proc. of SPIE 58950P.

[7] [7] Ma Y, Zhou P, Wang X, et al. Coherent beam combination with single frequency dithering technique[J]. Optical Letter, 2010, 35(9): 1308-1310.

[10] [10] XIAO Hu, WANG Xiao-lin, MA Yan-xing, et al. Phase noise measurement of high-power fiber amplifiers[J]. Chinese Optics Letters, 2011, 9(4): 041404-1-041404-4.