[1] [1] Meng Huicheng, Tan Hao, Li Jianmin, et al.. Development of spectral beam combining of diode laser by grating and external cavity[J]. Laser & Optoelectronics Progress, 2015, 52(2): 020003.

[2] [2] Fan T Y, Sanchez A, Daneu V, et al.. Laser beam combining for power and brightness scaling [J]. IEEE Aerospace Conference, 2000, 3:49-54.

[3] [3] Huang R K, Chann B, Burgess J, et al.. Direct diode lasers with comparable beam quality to fiber, CO2, and solid state lasers[C]. SPIE. 2012, 8241: 824102.

[4] [4] Xiao Y, Brunet F, Kanskar M, et al.. 1-kilowatt CW all-fiber laser oscillator pumped with wavelength-beam-combined diode stacks[J]. Optics Express, 2012, 20(30): 3296-3301.

[5] [5] Zhang Jun, Peng Hangyu, Cao Junsheng, et al.. 970 nm hundred-watt level diode laser source by spectral beam combining with external cavity feedback[J]. Acta Optica Sinica, 2013, 33(11): 1114001.

[6] [6] Zhang J, Peng H Y, Fu X H, et al.. CW 50W/M2=10.9 diode laser source by spectral beam combining based on a transmission grating [J]. Optics Express, 2013, 31(3): 3627-3632.

[7] [7] Zhang J, Peng H Y, Liu Y, et al.. Hundred-watt diode laser source by spectral beam combining[J]. Laser Physics Letters, 2014, 11(12): 125803.

[8] [8] Liu Bo, Zhang Xue, Han Junting, et al.. Wavelength beam combining of laser diode array by wavelength-chirped volume Bragg grating external cavity[J]. High Power Laser and Particle Beams, 2008, 20(7): 1057-1062.

[9] [9] Liu Bo, Li Qiang, Zhang Xue, et al.. Wavelength beam combining of laser diode array to get 20 W CW circle spot emission[J]. High Power Laser and Particle Beams, 2009, 21(11): 1633-1638.

[10] [10] Zhu Z D, Gou L, Jiang M H, et al.. High beam quality in two directions and high efficiency output of a diode laser array by spectral-beamcombining[ J]. Optics Express, 2014, 22(15): 17804-17809.

[11] [11] Zhang Yan, Zhang Bin, Zhu Songjun. Analysis of the property of the beam after spectral beam combining[J]. Acta Physica Sinica, 2007, 56(8): 4590-4595.

[12] [12] Zhang Yan, Zhang Bin. Analysis of the spectral beam combining efficiency of diode laser[J]. Infrared & Laser Engineering, 2009, 38(5): 864-872.

[13] [13] Meng Huicheng, Wu Deyong, Tan Hao, et al.. Experimental study on high brightness and narrow band of diode laser by spectral beam combining of grating-external cavity[J]. Chinese J Lasers, 2015, 42(3): 0302003.

[14] [14] Chann B, Huang R K, Missaggia L J, et al.. High-power near-diffraction-limited wavelength-beam-combined diode arrays[C]. Conference on Lasers & Electro-Optics, 2005: CMX7.

[15] [15] Poprawe R, Loosen P, Bachmann F. High Power Diode Lasers: Technology and Applications[M]. New York: Springer-Verlag, 2007: 134- 135.