[1] Li J,Chen Q M.J Phys D:Appl Phys,1993;26:1541
[2] Chen Q M,Sun H,Zhou F Q et al.Two high power gas lasers excited by confined discharge.Proceedings of international conference on laser's 1993,Nevada:Tahoe,Lake,1993:241
[3] Nerheim N M.J A P,1977;48(8):3244
[4] Borovich B L,Vasiler L A,Gerts V E et al.Sov J Q E,1981;11(9):1210
[5] Astadjov D N,Isaev A A,Petrash G G et al.IEEE J Q E,1992;QE-28(10):1966
[6] Mitchell A C G,Zemanski M W.Radiation and Excited Atoms.London:Cambridge University Press,1961
[7] Taylor L H,Feldman R B.J A P,1979;50(5):3212
[8] Honig R E.RCA Rev,1963;28:567