[3] Y. Jeong, J. K. Sahu, D. N. Payne et al.. Ytterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power [J]. Opt. Express, 2004, 12(25):6088~6092
[4] M. A. Culpepper. Coherent combination of fiber laser beams [C]. SPIE, 2002, 4629:99~108
[5] E. J. Bochove, P. K. Cheo, G. G. King et al.. Self-organization in a multicore fiber laser array [J]. Opt. Lett., 2003, 28(14):1200~1202
[6] D. Sabourdy, V. Kermene, A. Desfarges-Berthelemot et al.. Efficient coherent combining of widely tunable fiber lasers [J]. Opt. Express, 2003, 11(2):87~97
[7] C. J. Corcoran, F. Durville. Experimental demonstration of a phase-locked laser array using a self-Fourier cavity [J]. Appl. Phys. Lett., 2005, 86(20):201118-1~201118-3
[8] S. Ménard, M. Vampouille, B. Colombeau et al.. Highly efficient phase locking and extracavity coherent combination of two diode-pumped Nd∶YAG laser beams [J]. Opt. Lett., 1996, 21(24):1996~1998
[9] Y. Zhou, L. Liu, C. Etson et al.. Phase locking of a two-dimensional laser array by controlling the far-field pattern [J]. Appl. Phys. Lett., 2004, 84(16):3025~3027
[10] L. Liu, Y. Zhou, F. Kong et al.. Phase locking in a fiber laser array with varying path lengths [J]. Appl. Phys. Lett., 2004, 85(21):4837~4839
[11] Q. Peng, Y. Zhou, Y. Chen et al.. Phase locking of fibre lasers by self-imaging resonator [J]. Electron. Lett., 2005, 41(4):171~173
[13] J. A. Arnaud. Degenerate optical cavities [J]. Appl. Opt., 1969, 8(1):189~195
[14] A. E. Siegman. Lasers [M]. Sausalito, California:University Science Books, Mill Valley, 1986. 845
[15] V. Couderc, O. Guy, A. Barthelemy et al.. Self-optimized resonator for optical pumping of solid-state lasers [J]. Opt. Lett., 1994, 19(15):1134~1136
[16] M. Tateda, S. Tanaka, Y. Sugawara. Thermal characteristics of phase shift in jacketed optical fibers [J]. Appl. Opt., 1980, 19(5):770~773
[17] I. Kelson, A. A. Hardy. Strongly pumped fiber lasers [J]. IEEE J. Quantum Electron., 1998, 34(9):1570~1577