[1] Morita N,Yajima T.Phys Rev,1984,30(5):2525～2535.
[2] De Beer D,van Wagenen V G,Beach R et al.Phys Rev Lett,1986,56(11):1128～1131.
[3] Fu P M,Mi X,Yu Z H et al.Phys Rev,1997,A52(6):4867～4870.
[4] Zhang Y P,Tang T T,Sun L Q et al.Phys Rev,2000,A61(2):3809.
[5] Zhang Y P,Sun L Q,Tang T T et al.Phys Rev,2000,A61(5):3819.
[6] Zhang Y P,de Araújo C B,Eyler E E.Phys Rev,2001,A63(4):3802.
[7] Zhang Y P,Wu H C,Lu K Q et al.Chinese Physics,2001,10(3):206～213.
[8] 张彦鹏,王鹏飞,张禄 et al.光子学报,2000,29(1),34～39.