[1] Burnett N H,Corkum P B.Cold-plasma production for recombination extreme-ultravoilet lasers by optical-field-induced ionization.J.Opt.Soc.Am.;B,1989,6;6:1195～1199

[2] Eder D C,Amendt P,Wilks S C et al..Optical-field-ionized plasma X-ray lasers.Phys.Rev.;A,1992,45;9:6761～6772

[3] Fill E,Borgstrum S,Zarsson J et al..XUV spectra of optical-field-ionized plasmas.Phys.Rev.;E,1995,51;6:6016～6027

[4] Chehkov B N,Egbert A,Eichmann H et al..Soft-X-ray lasing to the ground states in low-charged oxygen ions.Phys.Rev.;A,1995,52;2:1629～1639

[6] Jackel S,Burris R,Gran J et al..Channaling of terawett laser pulses by use of hollow waveguides.Opt.Lett.,1995,20;10:1086～1088

[7] Korobkin D V,Nam C H,Suckewer S et al..Demonstraion of soft X-ray lasing to ground states in LiIII.Phys.Rev.Lett.,1996,77;26:5206～5209