[1] B. R. Judd. Optical absorption intensity of rare-earth ions. Phys. Rev., 1962, 127(3): 750～761
[2] G. S. Ofelt. Intensity of crystal spectra of rare-earth ions. J. Chem. Phys., 1962, 37(3): 511～520
[3] W. C. Nieuwpoort, G. Blasse, A. Bril. Some aspects of the Eu3+ fluorescence in metaloxide host lattices. Optical Properties of Ionsin Crystals. New York: Wiley-Interscience, 1967 (eds H. M. Crosswhite, H. W. Moos): 161～168
[4] W. C. Nieupoort, G. Blasse. Linear crystal-field terms and the 5D0-7F0 transition of the Eu3+ ion. Solid State Commun., 1966, 4: 227～229
[5] W. D. Horrocks. Jr.. Luminescence spectroscopy. Methods in Enzymology, 1993, 226: 495～538
[6] William Dew. Horrocks, Jr., Daniel R. Sudnik. Lanthanide ion probe of structure in Biology laser-induced luminescence decay constants provide a direct measure of the number of metal-coordinated water molecules. J. Am. Chem. Soc., 1979, 101(2): 334～340
[7] J. Y. Zhou, R. H. Li, D. J. Zhou et al.. Probing the microstructures of trivalent rare earth compounds with time-resolved two-center cooperative vibronic spectroscopy. Spectrochimica Acta part A, 1995, 51: 2511～2516
[8] R. Van Den Berg, S. Voer. Optical dephasing and high-resolution spectroscopy of Eu3+ in organic glasses and polymers between 0.3 and 4.2 K. Chem. Phys. Lett., 1988, 150(6): 491～502
[9] G. Nisshimura, T. Kushida. Luminescence studies in CaPO3:Eu3+ glass by laser-induced fluorescence line-narrowing technique I: optical transition mechanism of the 5D0-7F0 line. J. Phys. Soc. Jpn., 1991, 60(2): 683～694
[11] M. Tanaka, T. Kushida. Contribution of J-mixing to the transition of Eu3+ ions in several host matrices. Phys. Rev. (B), 1994, 49(24): 16917～16925
[12] L. A. Risberg, H. W. Moos. Multiphonon orbit-lattice relaxation of excited states of rare earth ions in crystals. Phys. Rev., 1968, 174(2): 429～438
[13] W. M. Yen, W. C. Scott, A. L. Schowlow. Phonon-induced relaxation in excited optical states of trivalent praseodymium in LaF3. Phys. Rev., 1964, 136(1): A271～283
[14] B. W. Berringer, J. B. Gruber, D. N. Olsen et al.. Far i. r. spectra of hydrated and anhydrous tripositive thulium and holmium chloride. J. Inorg. Nucl. Chem., 1972, 34(5): 373～375
