[1] Wang Yang, Li Chunqi, Yang Lijun, et al. Research on unconventional machining[J]. Infrared and Laser Engineering, 2011, 40(3): 448-454. (in Chinese)

[2] Ng E, Guannan D. The stability of 30-μm-diameter water jet for jet-guided laser machining[J]. International Journal of Advanced Manufacturing Technology, 2015, 78(5-8): 939-946.

[3] Romoli L, Lovicu G, Rashed C A A, et al. Microstructural changes induced by ultrashort pulsed lasers in microdrilling of fuel nozzles[J]. Procedia CIRP, 2015, 33: 509-514.

[4] Adelmann B, Ngo C, Hellmann R. High aspect ratio cutting of metals using water jet guided laser[J]. The International Journal of Advanced Manufacturing Technology, 2015, 80(9-12): 2053-2060.

[5] Richerzhagen B. Method and apparatus for machining material with a liquid-guided laser beam: United States, 5902499[P]. 1999-05-11.

[6] Li Ling, Yang Lijun, Wang Yang, et al. Laser and water-jet fiber coupling technology for water-jet laser micromachining[J]. Optics and Precision Engineering, 2008, 16(9): 1614-1621. (in Chinese)

[7] Ye Ruifang, Shen Yang, Wang Lei, et al. Novel coupling system of water-jet guided laser[J]. Journal of Xiamen University(Natural Science), 2009, 48(3): 369-372. (in Chinese)

[8] Ge Hua, Yang Kuntao. The research of conversion of off-axis Gaussian beam passing through optical system[J]. Laser & Infrared, 2003, 33(1): 68-70. (in Chinses)

[9] Al-Rashed A R, Saleh B E A. Decentered Gaussian beams[J]. Applied Optics, 1995, 34(30): 6819-6825.