[1] [1] Koechner W. Solid-state laser engineering［M］. Sun Wen, Jiang Zewen, Cheng Guoxiang, Transl. Beijing: Science Press, 2002: 357-397.

[2] [2] Gao Qingsong, Hu Hao, Pei Zhengping, et al. Design and experiment study of all-solid slab laser amplifier with laser power of 10 kW［J］. Chinese J Lasers, 2012, 39(2): 0202001.

[3] [3] Yin Liang, Ma Xiuhua, Lu Tingting, et al. Conductively-cooled and bounce-pumped all-solid-state double-stage slab laser amplifier［J］. Chinese J Lasers, 2010, 37(9): 2340-2345.

[4] [4] Snitzer E, Po H, Hakimi F, et al. Double clad, offset core Nd fiber laser［C］. Conference on Optical Fiber Sensors, 1988: PD5.

[5] [5] Dai Shoujun, He Bing, Zhou Jun, et al. Cooling technology of high-power and high-power fiber laser amplifier［J］. Chinese J Lasers, 2013, 40(5): 0502003.

[6] [6] Stutzki F, Gaida C, Gebhardt M, et al. Tm-based fiber-laser system with more than 200 MW peak power［J］. Optics Letters, 2015, 40(1): 9-12.

[7] [7] Jelínek M. Functional planar thin film optical waveguide lasers［J］. Laser Physics Letters, 2012, 9(2): 91-99.

[8] [8] Chandler P J, Field S J, Hanna D C, et al. Ion-implanted Nd∶YAG planar waveguide laser［J］. Electronics Letters, 1989, 25(15): 985-986.

[9] [9] Filgas D, Rockwell D, Spariosu K. Next-generation lasers for advanced active EO systems［J］. Raytheon Technology Today, 2008, 1: 9-13.

[10] [10] van der Ziel J P, Bonner W A, Kopf L, et al. Laser oscillation from Ho3+ and Nd3+ ions in epitaxially grown thin aluminum garnet films［J］. Applied Physics Letters, 1973, 22(12): 656-657.

[11] [11] Brown C T A, Bonner C L, Warburton T J, et al. Thermally bonded planar waveguide lasers［J］. Applied Physics Letters, 1997, 71(9): 1139-1141.

[12] [12] Thomson I J, Baker H J, Wlodarczyk K, et al. 400 W Yb∶YAG planar waveguide laser using novel unstable resonators［C］. SPIE, 2010, 7578: 75780K.

[13] [13] Xiao L, Cheng X J, Xu J Q. High-power Nd∶YAG planar waveguide laser with YAG and Al2O3 claddings［J］. Optics Communications, 2008, 281(14): 3781-3785.

[14] [14] Kang H X, Zhang H, Yan P, et al. An end-pumped Nd∶YAG planar waveguide laser with an optical to optical conversion efficiency of 58%［J］. Laser Physics Letters, 2008, 5(12): 879-881.

[15] [15] Chen Yuejian, Jiang Hao,Wang Juntao, et al. Planar waveguide oscillator with high output power and high efficiency［J］. Chinese J Lasers, 2017, 44(4): 0401001.

[16] [16] Wagner G J, Callicoatt B E, Bennett G T, et al. 375 W, 20 kHz, 1.5 ns Nd∶YAG planar waveguide MOPA［C］. Conference on Lasers and Electro-Optics, 2011: PDPB1.