稀土学报(英文版)
稀土學報(英文版)
희토학보(영문판)
JOURNAL OF RARE EARTHS
2004年
1期
31-35
,共5页
董宁%陈彪%尹民%宁利新%张其锦%夏上达
董寧%陳彪%尹民%寧利新%張其錦%夏上達
동저%진표%윤민%저리신%장기금%하상체
optics%radiative properties%Judd-Ofelt theory%PMMA%rare earths
Optical absorption spectra of Sm(DBM)3 doped PMMA(polymethyl methacrylate) in near infrared and visible region are presented. The energy levels were assigned and analyzed in terms of the free-ion Hamiltonian model. Energy levels and reduced matrix elements calculations were carried out using the complete 198 SLJ basis sets for the 4f5 configuration. Judd-Ofelt parameters were evaluated and used to predict the radiative properties of the sample. The theoretical and experimental values for radiative lifetimes and branching ratios were discussed.
