[1] Marmo J, Injeyan H, Komine H, et al. Joint high power solid state laser program advancements at Northrop Grumman［C］. SPIE, 2009, 7195: 719507.

[2] Goodno G D, Komine H, Mcnaught S J, et al. Coherent combination of high-power zigzag slab lasers［J］. Optics Letters, 2006, 31(9): 1247-1249.

[3] Mu Jie, Wang Xiao, Jing Feng, et al. Effect of wavefront distortion on coherent beam combination in high power laser facilities［J］. Chinese J Lasers, 2015, 42(6): 0602010.

[4] Pan Sunqiang, Zhao Zhigang, Liu Chong, et al. Mechanism investigation of beam quality evolution within laser oscillator［J］. Laser & Optoelectronics Progress, 2015, 52(11): 111406.

[5] Koechner W. Solid-state laser engineering［M］. Sun Wen, Jiang Zewen, Chen Guoxiang, Transl. Beijing: Science Press, 2002: 165-170.

[6] Li Mi, Hu Hao, Li Jianmin, et al. Technology research on high power slab laser end-pumped with laser diode arrays［J］. Acta Optica Sinica, 2013, 33(5): 0514004.

[7] Fan T Y. Heat generation in Nd∶YAG and Yb∶YAG［J］. IEEE Journal of Quantum Electronics, 1993, 29(6): 1457-1459.

[8] Sridharan A K, Saraf S, Sinha S, et al. Zigzag slabs for solid-state laser amplifiers: Batch fabrication and parasitic oscillation suppression［J］. Applied Optics, 2006, 45(14): 3340-3351.