[1] [1] S. V. Deshmukh,C. Rajagopalan. High-power multibeam CO2 laser industrial applications[J]. Opt. Laser Technol.,2003,35(7):517-521

[2] [2] Y. W. Park,H. Park,S. Rhee et al.. Real time estimation of CO2 laser weld quality for automotive industry[J]. Opt. Laser Technol.,2002,34(2):135-142

[3] [3] M. Boutinguiza,J. Pou,F. Lusquinos et al.. CO2 laser cutting of slate[J]. Opt. Lasers Eng.,2002,37(1):15-25

[4] [4] Yao Jianhua,Fu Jibin,Chen Jun. Laser beam mode analysis in laser quenching process[J]. Applied Laser,2008,28(1):25-29

[5] [5] Wang Yunshan,Wang Juanjuan,Zhu Fudong. Beam optimum system for laser heat treatment[J]. Chinese J. Lasers,2008,35(11):1730-1734

[6] [6] Wang Zhiyong,Chen Tao,He Ping et al.. Measurement of optical parameters for high-power CO2 laser beams according to changes of transverse intensity distribution[J]. Chinese J. Lasers,2000,A27(12):1075-1079

[7] [7] Cheng Cheng,Ma Xingchao,Xu Zhousu et al.. Measurement of temporal depending lasing modes of a high power Transverse-flow CO2 laser processor[J]. Chinese J. Lasers,2008,35(4):549-554

[8] [8] Chen Hong,Wu Shikai,Zhang Zhengwei et al.. The effect of laser beam characteristics on laser processing[J]. Optical Technique,2006,32(6):834-837

[9] [9] Wang Zhiyong,Chen Kai,Zuo Tiechuan. Study on the influence of high-power CO2 blendding mode laser beam upon laser welding[J]. J. Optoelectronic·Laser,2000,11(5):549-552

[10] [10] Ding Changlin,Wan Chongyi. Multifrequency dynamical model of pulsed CO2 lasers[J]. Acta Physica Sinica,2006,55(3):1165-1170

[11] [11] A. H. Sharif,A. M. Kheir. Numerical modeling of a fast-axial-flow CW CO2 laser[J]. Opt. Laser Technol.,2007,39(3):610-615

[12] [12] S. Sazhint,P. Wild,E. Sazhinat et al.. Three-dimensional modelling of processes in the fast-axial-flow CO2 laser[J]. J. Phys. D:Appl. Phys.,1994,27:464-469

[13] [13] C. Cheng,Z. S. Xu. Experiment determination of after-operating gas compositions in a transverse-flow CW high power CO2 laser[J]. Opt. Laser Technol.,2005,37(4):293-297

[14] [14] G. G. Martin,J. R. Ignacio,D. A. Violeta et al.. An analytical approach to the design of electrodes in high-power,fast-transverse-flow CO2 lasers[J]. Opt. Laser Technol.,2005,37(8):615-622

[15] [15] Li Shimin,Huang Weiling. Principle and Design of Laser Devices[M]. Beijing:National Defense Industry Press,2005. 117