[1] Li Lijun. Modern Laser Processing and Equipment [M]. Beijing: Beijing Institute of Technology Press, 1993. 161～162

[2] D. Schuocker. The Physical Mechanism and Theory of Laser Cutting [M]. In: Belforte, D.and Levitt, Eds. The Industrial Annual Handbook, New York: Pennwell Publishing Co., 1987. 65～79

[3] V. P. Babenko, V. P. Tychinskii. Gas-jet laser cutting (review) [J]. Soviet Journal of Quantum Electronics， 1973， 2(5): 399～410

[4] M. F. Modest, H. Abakians. Evaporative cutting of a semi-infinite body with a moving CW laser [J]. ASME Journal of Heat Transfer, 1986， 108: 602～607

[5] M. Vicanek, G. Simon. Momentum and heat transfer of an inert gas jet to the melt in laser cutting [J]. J. Phys. D: Appl. Phys., 1987， 20: 1191～1196

[6] Xie Xiaozhu. Study on the mechanism and key technique of CO2 laser cutting nonmetallic materials based on wall focusing effects [D]. Changsha: Hunan University，2006