[1] O. B. Anan′in, Yu. A. Bykovskii, A. K. Zver′kov et al.. Collimation of soft-X-ray radiation. Sov. J. Quant. Electron., 1987, 17(3): 383～384

[2] D. J. Thiel, D. H. Bilderback, Aaron Lewis et al.. Guiding and concentrating hard X-rays by using a flexible hollow-core tapered glass fiber. Appl. Opt., 1992, 31(7): 987～992

[3] S. Jackel, R. Burris, J. Gran et al.. Channeling of terawatt laser pulses by use of hollow waveguides. Opt. Lett., 1995, 20(10): 1086～1088

[4] P. Bogen, H. Conrads, G. Gatti et al.. Continuum radiation source of high intensity. J. Opt. Soc. Am., 1968, 58(2): 203～206

[5] J. J. Rocca, V. N. Shlyaptsev, F. G. Tomasel et al.. Demonstration for discharge pumping table-top soft-X-ray laser. Phys. Rev. Lett., 1994, 73(16): 2192～2195

[6] Zunqi Lin, Wenyan Yu, Weihan Tan et al.. A new target configuration producing effective population inversion at energy levels of Mg X1 1s3p and 1s4p. Opt. Commun., 1988, 65(6): 445～451

[7] D. V. Korobkin, C. H. Nam, S. Suckewer. Demonstration of soft X-ray lasing to ground state in LiⅢ. Phys. Rev. Lett., 1996, 77(26): 5206～5209