[1] [1] Denk W, Strickler J H, Webb W W.Two-photon laser scanning fluorescence microscopy.Science,1990,248(6):73～76

[2] [2] Bewersdorf J, Pick R,Hell S W.Multifocal multiphoton microscopy.Opt Letter,1998,23(9):655～657

[3] [3] Sanchez E J, Novotny L,Xie X S.Near-field fluorescence microscopy based on two-photon excitation with metal tips.Phys Rev Lett,1999,82(20):4014～4017

[4] [4] Xia A D, Wada S,Tashiro H.Optical data storage in C60 doped polystyrene film by photo-oxidation.Appl Phys Lett,1998,73(10):1323～1325

[5] [5] Cumpstem B H, Ananthavel S P, Barlow S,et al. Two-photon polymerization initiators for three-dimensional optical data storage and microfabrication.Nature,1999,398(4):51～54

[6] [6] Sheppard C J R, Choudhurg A.Image formation in the scanning microscope.Optic Acta, 1977,24(10):1051～1073

[7] [7] Sheppard C J R, Mao X Q.Three-dimensional imaging in a microscope.J Opt Soc Am,1989,6(9):1260～1269

[8] [8] Min Gu, Sheppard C J R.Three-dimensional image formation in confocal microscopy under ultra-short-laser-pulse illumination.J Mod Opt,1995,42(4):747～762

[9] [9] Min Gu.Principles of Three-dimensional Imaging in Confocal Microscopies,Singapore:World Scientific,1996