中文摘要：

Nd (DBM )₃做 Phen (DBM 是 dibenzoylmethane， Phen 是 phenanthroline ) polymethyl methacrylate (PMMA ) 被准备。光吸收，刺激和排放系列在 Nd (DBM )3Phen 药 PMMA 为 Nd ³⁺ 被分析。用 Judd-Ofelt 理论，吸收光谱被分析。Nd (DBM )₃做 Phen 的 polymethyl methacrylate 被计算是 ₂= 20.97 ×； 10 ²⁰ 厘米 ²,₄= 3.42 ×； 10 ²⁰ 厘米 ²,₆= 2.90 ×； 10 ²⁰ 厘米 ² 。放射的一生(631

英文摘要：

Nd（DBM）3Phen-doped （DBM is dibenzoylmethane and Phen is phenanthroline） polymethyl methacrylate （PMMA） is prepared. Optical absorption, excitation and emission spectra were analyzed for Nd^3＋ in Nd（DBM）3Phen-doped PMMA. Using the Judd-Ofelt theory, the absorption spectrum was analyzed. The Judd-Ofelt（J-O） intensity parameters of Nd（DBM）3Phen-doped polymethyl methacrylate were calculated to be Ω2 = 20.97 × 10^-20 cm^2, Ω4= 3.42 × 10^-20 cm^2, Ω6 = 2.90 × 10^-20 cm^2. The radiative lifetime （631 μs） of the excited 4F3/2 level is given. The stimulated emission cross-sections and the fluorescence branch ratios for the ^4F3/2 →^4Ij′ transitions are also evaluated. Analysis reveals that Nd（DBM）3Phen-doped PMMA is promising for application in polymer optical fibers and planar waveguides.