[1] [1] Margaret M. Murnane, Henry C. Kapteyn, Roger W. Falcone. Generation and application of ultrafast X-ray sources [J]. IEEE J. Quantum Electron., 1989, 25(12):2417～2422

[2] [2] P. Maine, D. Strickland, P. Bado et al.. Generation of ultrahigh peak power pulses by chirped pulse amplification [J]. IEEE J. Quantum Electron., 1988, 24(2):398～403

[3] [3] M. D. Perry, D. Pennington, B. C. Stuart et al.. Petawatt laser pulses [J]. Opt. Lett., 1999, 24(3):160～162

[4] [4] Lu Peixiang, Hidetoshi Nakano, Tadashi Nishikawa et al.. Study of commercial terawatt femtosecond laser-driven table-top X-ray lasers in gases. High power lasers in energy engineering [C]. SPIE, 1999, 3886:294～305

[5] [5] S. Sebban, R. Haroutunian, Ph. Balcou et al.. Saturated amplification of a collisionally pumped optical-field-ionization soft X-ray laser at 41.8 nm [J]. Phys. Rev. Lett., 2001, 86(14):3004～3007

[8] [8] D. Normand, M. Ferray, L. A. Lompre et al.. Focused laser intensity measurement at 1018 W/cm2 and 1053 nm [J]. Opt. Lett., 1990, 15(23):1400～1402

[9] [9] Liang Quanting. Physical Optics [M]. Beijing: Mechanic Industry Publishing Company, 1993. 198～199 (in Chinese)

[10] [10] Peng Huiming, Wang Shiji, Qiu Yubo et al.. X-ray Lasers [M]. Beijing: National Defence Industry Publishing Company, 1997. 89～93 (in Chinese)

[11] [11] Chang Britton, P. R. Bolton, D. N. Fittinghoff et al.. Closed-form solutions for the production of ions in the collisionless ionization of gases by intense lasers [J]. Phys. Rev. A, 1993, 47(5B):4193～4203

[12] [12] M. V. Ammosov, N. R. Bolton, P. Krainov et al.. Tunnel ionization of complex atoms and of atomic ions in an alternating electromagnetic field [J]. Sov. Phys. JETP, 1986, 64(6):1191～1194

[13] [13] J. L. Krause, K. J. Schafer, K. C. Kulander. High-order harmonic generation from atoms and ions in the high intensity regime [J]. Phys. Rev. Lett., 1992, 68(24):3535～3538