[2] [2] Yan Yuhe, Zhong Minlin. High Power Laser Machining and Applications [M]. Press of Tianjing Science and Technology, 1994. 56 (in Chinese)

[4] [4] Duncan P. Hand, Julian D. C. Jones. Single-mode fiber delivery of Nd∶YAG light for precision machining applications [J]. Appl. Opt., 1998, 37(9):1602～1606

[6] [6] H. Kaebernick, D. Bicleanu, M. Brandt. Theoretical and experimental investigation of pulsed laser cutting [J]. Annals of the CIRP, 1999, 48(1):163

[7] [7] Yao Caixian. Interchangeable Character and Technological Measure Experiment [M]. Wuhan: Huazhong University of Science and Technology Press, 1992 (in Chinese)

[8] [8] Miyamoto, H. Maruo (Japan). The mechanism of laser cutting[J]. Welding in the World, 1991, 29(9/10):283