作　　者： ; ; ; ;

机构地区： 华南理工大学材料科学与工程学院光通信材料研究所

出　　处： 《量子电子学报》 2004年第4期419-424,共6页

摘　　要： 测量了掺镱磷酸盐玻璃的吸收光谱、荧光光谱和荧光寿命。提出了获得玻璃荧光寿命的三种不同的方法。分析和研究了OH基、碱金属氧化物、Yb3+离子浓度以及玻璃基质成分等因素对磷酸盐玻璃荧光寿命的影响。研究表明,它们分别通过缩短Yb3+离子亚稳态的寿命、增多非桥氧数、寿命淬灭效应以及多声子弛豫过程等机制来降低掺镱磷酸盐玻璃的荧光寿命。 The absorption spectra, fluorescent spectra and fluorescent lifetime of Yb3+-doped phosphate glasses were measured. Three measure methods for the fluorescent lifetime were also presented. The effects of OH groups, alkali oxides, Yb3+ ions and glass contents et al on the fluorescent lifetime were studied. The results indicated that the fluorescent lifetime of Yb3+-doped phosphate glasses is desreased via the mechanisms of shorting meta-stable state lifetime, increasing the NBO number, lifetime quenching and non-radiation transition respectively.

关 键 词： 光谱 离子 磷酸盐玻璃 荧光寿命 基 荧光淬灭

领　　域： [机械工程] [理学] [理学] [电子电信]