[1] [1] Feng Guoying, Zhou Shouhuan. Discussion of comprehensive evaluation on laser beam quality ［J］. Chinese J. Lasers, 2009, 36(7):1643～1653

[2] [2] Yang Huanxiong, Zhao Daomu, Lu Xuanhui et al.. Several viewpoints related to the beam quality factor M2 ［J］. Chinese J. Lasers, 1997, A24(8):709～714

[3] [3] Tian Yinghua, Ye Yidong, Xiang Rujian et al.. Evaluation of uncertainty in beam quality measurement ［J］. High Power Laser and Particle Beams, 2008, 20(7):1076～1078

[4] [4] H. L. Offerhaus, C. B. Edwards, W. J. Witteman. Single shot beam quality (M2) measurement using a spatial Fourier transform of the near field ［J］. Opt. Commun., 1998, 151(1-3):65～68

[5] [5] R. W. Lambert, R. Cortés-Martínez, A. J. Waddie et al.. Compact optical system for pulse-to-pulse laser beam quality measurement and applications in laser machining ［J］. Appl. Opt., 2004, 43(26):5037～5046

[6] [6] P. Weβels, C. Fallnich. Highly sensitive beam quality measurements on large-mode-area fiber amplifiers ［J］. Opt. Express, 2003, 11(25):3346～3351

[7] [7] J. V. Sheldakova, A. V. Kudryashov, V. Y. Zavalova et al..Beam quality measurements with Shack-Hartmann wavefront sensor and M2-sensor: comparison of two methods ［C］. SPIE, 2007, 6452:645207

[8] [8] Hongru Yang, Lei Wu, Xuexin Wang et al.. Evaluation of beam quality for high-power lasers ［C］. SPIE, 2007, 6823:682316

[9] [9] J. A. Russell, D. P. Pacheco, H. R. Aldag et al.. Beam-quality measurements on solid-state dye lasers using nonconfocal unstable resonators ［C］. SPIE, 2001, 4267:36～45

[10] [10] K. C. Jorge, R. Riva, N. A. S. Rodrigues et al.. Real-time measurement of laser beam quality factor (M2) by imaging transverse scattered light ［C］. SPIE, 2007, 6452:645215

[11] [11] 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

[12] [12] Guo Ping, Huang Ningning. Analys is of transverse modes in a laser beam ［J］. Laser & Infrared, 2000, 30(1):22～24

[13] [13] Shen Jinhua, Wang Shiyu, Guo Zhen et al.. Nonlinear network of measuring transverse modes in a laser beam ［J］. Chinese J. Lasers, 2008, 35(4):555～558

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

[15] [15] Ma Haotong, Xi Fengjie, Zhou Pu et al.. Measurement of M2 factor of 1064 nm pulsed laser based on crossed defocus gratings ［J］. Acta Optica Sinica, 2010, 30(3):821～826

[16] [16] Chen Peifeng, Qiu Junlin. Analysis of spatial coherence between laser modes ［J］. Chinese J. Quantum Electronics, 1995, 12(2):133～136

[17] [17] W. Koechner. Solid-State Laser Engineering ［M］. Sun Wen, Jiang Zewen, Cheng Guoxiang transl.. Beijing: Science Press, 2002. 171～180