[1] [1] B. Morasse, S. Chatigny, C. Desrosiers et al.. Simple design for singlemode high power CW fiber laser using multimode high NA fiber［C］. SPIE, 2009, 7195: 719505

[2] [2] Lou Qihong, He Bing, Xue Yuhao et al.. 1.75 kW Yb-doped double cladding fiber laser made in China［J］. Chinese J. Lasers, 2009, 36(5): 1277

[3] [3] Yan Ping, Xiao Qirong, Fu Chen et al.. 1.6 kW Yb-doped all-fiber laser［J］. Chinese J. Lasers, 2012, 39(4): 0416001

[4] [4] Hu Xiao, Yanxing Ma, Pu Zhou et al.. Experimental study on kilowatt fiber laser in an all-fiber configuration［J］. Chin. Opt. Lett., 2012, 10(2): 021404

[5] [5] IPG Photonics Corporation. IPG Photonics Successfully Tests World′s First 10 Kilowatt Single-Mode Production Laser [EB/OL]. [2012-09-01]. http://www.ipgphotonics.com

[6] [6] Nufern. KW-Power Single-Mode Fiber Lasers Using 20-μm Core Yb-Doped DC Fibers [EB/OL]. [2012-09-02]. http://www.nufern.com/library/

[7] [7] D. C. Brown, H. J. Hoffman. Thermal, stress, and thermal-optic effects in high average power double-clad silica fiber lasers［J］. IEEE J. Quantum Electron., 2001, 37(2): 207～217

[8] [8] M. A. Lapointe, S. Chatigny, M. Piché et al.. Thermal effects in high power CW fiber lasers［C］. SPIE, 2009, 7195: 71951U

[9] [9] Yuanyuan Fan, Bing He, Jun Zhou et al.. Thermal effects in kilowatt all-fiber MOPA ［J］. Opt. Express, 2011, 19(16): 15162～15172

[10] [10] B. Zintzen, T. Langer, J. Geiger et al.. Heat transport in solid and air-clad fibers for high-power fiber lasers［J］. Opt. Express, 2007, 15(25): 16787～16793

[11] [11] J. P. Gwinn, R. L. Webb. Performance and testing of thermal interface materials [J]. Microelectron, 2003, 34(3): 215～222

[12] [12] C. P. Chu, G. L. Solbrekken, Y. D. Chung. Thermal modeling of grease-type interface material in PPGA application [C]. 13th IEEE SEMI-THERM XIII, 1997. 57～63

[13] [13] Yuanyuan Fan, Bing He, Jun Zhou et al.. Efficient heat transfer in high-power fiber lasers［J］. Chin. Opt. Lett., 2012, 10(11): 111401

[14] [14] J. W. Kim, D. Y. Shen, K. Jayanta et al.. Fiber-laser-pumped ErYAG laser [J]. IEEE J. Sel. Top. Quantum Electron., 2009, 15(2): 361～371

[15] [15] P. Yan, A. Xu, M. Gong. Numerical analysis of temperature distributions in Yb-doped double-clad fiber lasers with consideration of radiative heat transfer [J]. Opt. Eng., 2006, 45(12): 124201