[1] [1] Kmetec J D, Macklin J J, Young J F. Short Wavelength Coherent Radiation: Generation and Applications. In: Bucksbaum P H, Ceglio N M OSA Proc. (OSA, Washington, DC, 1991):176～198

[2] [2] Rodrigues G, Roberts J P, Taylor A J. Ultraviolet ultrafast pump-probe laser based on a Ti: sapphire laser system. Opt. Lett., 1994, 19(14):1146～1148

[3] [3] Rotermund F, Petrov V. Gerneration of the fourth harmonic of a femtosecond Ti: sapphire laser. Opt. Lett., 1998, 23(13):1040～1042

[4] [4] Bourzeix S, de Beaivoir B, Nez F et al.. Ultra-violet light generation at 205 nm by two frequency doubling steps of a cw titanium-sapphire laser. Opt. Commun., 1997, 133(2):239～247

[5] [5] Koechner W. Solid-State Laser Engineering. 4th ed. Berlin, Germany: Springer-Verlag, 1996. 470～532

[6] [6] Liu Jingang, Kim Dalwoo Kim. Optimization of intracavity doubled passively Q-switched solid-state lasers. Quant. Electron., 1999, QE-35(11):1724～1734

[7] [7] Zou Yinghua. Laser Physics. Beijing: Beijing University Press, 1991. 192～203 (in Chinese)

[8] [8] Nebel A, Bergang R. External frequency conversion of cw mode-locked Ti: Al2O3 laser radiation. Opt. Lett., 1991, 16(22):1729～1731

[9] [9] Poirier P, Hanson F. Intracavity frequency doubling of a 2.5 kHz pulsed Ti: Al2O3 laser. Opt. Lett., 1993, 18(22):1925～1927