[1] Van Wonterghem B M,M urray J E.SPIE,1997;3047:66
[2] Bikmatov R G,Chernyak V M.SPIE,1997;3047:171
[3] Low dermilk W H,M urray J E.J A P,1980;51:2436
[4] 张彬,吕百达.中国激光,1996;12:1061
[5] 冯国英,吕百达,孔繁龙et al.强激光与粒子束,1997;9:491~495