[1] [1] D. E. Spence, P. N. Kean, W. Sibbett. 60-fsec pulse generation from a self-mode-locked Ti:sapphire laser. Opt. Lett., 1991, 16(1):42～44

[2] [2] K. X. Liu, C. J. Flood, D. R. Walker et al.. Kerr lens mode locking of a diode-pumped Nd:YAG laser. Opt. Lett., 1992, 17(19):1361～1363

[6] [6] V. Magni, G. Cerullo, S. D. Silvestri. ABCD matrix analysis of propagation of gaussian beams through kerr media. Opt. Comm., 1993, 96(4～6):348～355

[7] [7] R. Adair, L. L. Chase, S. A. Payne. Nonlinear refractive index of optical crystals. Phys. Rev. B, 1989, 39(5):3337～3350