[1] [1] A. E. Siegeman. New developments in laser resonators[C]. SPIE, 1990, 1224: 2～14

[2] [2] International Standardiztion for Standardization. Terminology and Test Methods ISO/TC 172/SC 9/W G1N14[S]. ISO Standards, ISO, 1991

[3] [3] International Standardiztion for Standardization. ISO 11146: Lasers and Laser-Related Equipment-Test Methods for Laser Beam Widths, Divergence Angles and Beam Propagation Ratios Part 1,2,3 [S]. First Edition, ISO Standards, ISO, 2005

[4] [4] Hatakoshi G-i. Analysis of beam quality gactor for semiconductor lasers[J]. Opt. Rev., 2003, 10(4): 307～314

[5] [5] M. H. Mahdieh. Numerical approach to laser beam propagation through turbulent atmosphere and evaluation of beam quality factor[J]. Opt Commun., 2008, 281(13): 3395～3402

[6] [6] Chen Jiayuan, Yu Wenfeng, Yang Feng et al.. Beam quality of unstable resonator of TEA CO2 coaxial output laser with vortex tube cooling system[J]. High Power Laser and Particle Beams, 2007, 19(7): 1057～1060

[7] [7] Wang Ning, Lu Yutian, Li Xiaoli et al.. Experimental study of partially end-pumped Nd:YVO4 slab laser with hybrid resonator operation[J]. Laser Techlonogy 2008, 32(2): 125～127

[8] [8] Zhang Huiyun, Zhang Yuping, Zhong Kai et al.. Efficient high power diode-side-pumped intracavity-doubled continuous wave green laser[J]. Chinese J. Lasers, 2008, 35(1): 3～5

[9] [9] Li Libo, Lou Qihong, Zhou Jun et al.. Influence of bending diameter on the output capability of multimode fiber laser[J]. Chinese J. Lasers, 2007, 34(3): 323～326

[10] [10] Shao Jie, Li Xiaoli, Feng Yutong et al.. LD-end-pumped Nd:YVO4 slab laser and its thermal effects[J]. Acta Optica Sinica. 2008, 28(3): 497～501

[11] [11] Feng Zhongyao, Li Chengrong, Li Xiu et al.. Laser-diode side-pumped two rods quasi-continuous-wave Nd:YAG green laser[J]. Acta Optica Sinica. 2008, 28(8): 1543～1546

[12] [12] Chen Peifeng, Qiu Junlin. The comparison of the propagation factor M2 of various practical light beams[J]. Chinese J. Lasers, 1995, A22(2): 139～143

[13] [13] Peng Yuanjie, Lü Baida. Second-order moments matrix and M2 factor of optical beams[J]. Laser Techlonogy, 2004, 28(6): 648～651

[14] [14] Yu Yongai, Zhang Lingling , Tang Qianjin et al.. Real-time laser beam quality measurement technique[J]. Chinese J. Lasers, 2007, 34(2): 255～258

[15] [15] You Ningsi, Huo Yujing. A practical measuring system on laser beam quality[J]. Laser and Infrared, 1997, 27(4): 222～225

[16] [16] Fang Tao, Ye Xin, Wang Zhimin et al.. Real-time measurement of beam quality factor M2 based on diffraction gratings[J]. Chinese J. Lasers, 2006, 33(5): 650～654

[17] [17] Feng Guoying, Lü Baida, Kong Fanlong et al.. Experrimental study of the beam quanlty using two-dimensinal CCD system[J]. High Power Laser and Particle Beams, 1997, 9(4): 491～495