[1] Ma Yunfeng, Yu Jin, Niu Gang, et al.. 25 W high repetition rate picoseconds green laser[J]. Chinese J Lasers, 2011, 38(12): 1202010.

[2] G Dumitru, V Romano, H P Weber. Femtosecond ablation of ultrahard materials[J]. Appl Phys A, 2002, 74(6): 729-739.

[3] Zhao Gang, Hao Qiulong, Qi Wenzong, et al.. Thermal behavior of thin metal films irradiated by ultra-short pulse laser[J]. Acta Photonica Sinica, 2007, 36(1): 9-12.

[4] D Von der linde, K S Tinten, J Bialkowski. Laser-solid interaction in the femtosecond time regime[J]. Appl Surf Sci, 1997, 109(110): 1-10.

[5] He Fei, Cheng Ya. Femtosecond laser micromachining: frontier in laser precision micromachining[J]. Chinese J Lasers, 2007, 34(5): 595-622.

[6] F Dausinger, H Hügel, V Konov. Micromachining with ultrashort laser pulses: from basic understanding to technical applications[C]. SPIE, 2002, 5147: 106-115.

[7] Liao Jianhong, Meng Hongyun, Wang Hongwei, et al.. Investigation and applications of fiber laser precision cutting system[J]. Chinese J Lasers, 2007, 34(1): 133-136.