5Cumpston B H ,Ananthavel S P ,Barlow S,et al. Two- Photon Polymerization Initiators for Three - Dimensional Optical Data Storage and Microfabrication[J]. Nature, 1999,1398:51.
6He G S,Bhawalkar J D,Zhao C F,et al.PN Two- photon- pumped cavity lasing in a dye- solution- filled hollow - fiber system[ J ]. Opt Commun. 1996,124: 33.
7He G S, Zhao C F, Bhawalkar J D, et al. PN Studies of two- photon pumped frequency- upconverted lasing properties of a new dye material[J]. Appl Phys Lett 1996,67:3703.
8Albota M,Beljonne,D Bras J L, et al. Design of organic molecules with large two- photon absorption cross sections[J] . Science, 1998,281 : 1653.