[1] Ostendorf A.Precise structuring using femtosecond lasers.The Review of Laser Engneering, 2002,30(5):221～225

[2] Streltsov A M,Borrelli N F.Fabrication and analysis of a directional coupler written in glass by nanojoule femtosecond laser pulses.Opt Lett, 2001,26(1):42～43

[4] Liu X, Du D,Mourou G.Laser ablation and micro-machining with ultra-short laser pluses.IEEE J Quantum Electron, 1997,33(10): 1706～1716

[5] Fan C H, Sun J,Longtin J P.Plasma absorption of femtosecond laser pulses in dielectrics.Journal of Heat Tranfer, 2002,124(4):275～283

[9] Docchio F, Regondi P, Capon M R C,et al.Study of the temporal and spatial dynamics of plasma dynamics of plasmas induced in liquids by nanosecond Nd:YAG laser pulses. 1. Analysis of the plasma staring times, 2. Plasma luminescence and shielding.Appl Opt, 1988,27: 3661～3674

[10] Liu J M.Simple technique for measurement of pulsed Gaussian-beam spot size.Opt Lett, 1982,7(5):196～198

[12] Diels J C,Rudolph W.Ultrashort laser pulse phenomena:fundamentals,techniques, and applications on a femtosecond time scale, Optics and Photonics(Formerly Quantum Electronics)(books), 1979,Cleveland, Ohio, Case Western Reserve Univeisity