[1] [1] Dammann H,Gürtler K.High-dfficiency in line multiple imaging by means of multiple phase holograms [J].Opt.Commun.,1971.3:312～315

[3] [3] Lu Xuenong,Wang Ying,Wu Minxian et al.The fabrication of a 25×25 multiple beam splitt er [J].Opt.Commun.,1989,72(3,4):157～162

[6] [6] Vasara A et al.Binary surface-relief gratings for array illuminat ion in digital optics [J].Appl.Opt.,1992.31( 17):3320～3336

[7] [7] Walker S J,Jahns J.Array generat ion with mult ilevel phase grating [J].Opt.Sooc.Ant.,1990 A7:1509～1513