对Nb3+激活的硅酸盐发光玻璃进行了研究,讨论了Tb3+和Gd3+对玻璃发光性能的影响.结果表明:Tb3+激活的硅酸盐玻璃在紫外线和X-射线的激发下,产生蓝色荧光和较强的绿色荧光;随着Tb3+离子浓度的增加,Tb3+离子5D3能级的能量向5D4能级转移,绿色荧光得到增强;Gd3+离子通过无辐射能量共振方式对Tb3+离子的发光起到了敏化作用,加入Gd3+进一步提高了Tb3+激活硅酸盐玻璃的发光强度.
参考文献
| [1] | Bueno C;Buchnan R A .Luminescent glass design for high energy real-time radiography[J].SPIE Properties and Characteristics of Optical Glass(Ⅱ),1990,1327:79-91. |
| [2] | 张奇.发光玻璃在X射线实时成像系统中的应用[J].强激光与粒子束,1999(03):299. |
| [3] | Ottonello P;Rottigni G A;Alimov R et al.An X-ray area detector with scintillating glass fiber optics[J].Nuclear Instruments and Methods in Physics Research A:Accelerators,Spectrometers,Detectors and Associated Equipment,1992,323:485-488. |
| [4] | Hayakawa T;Kamata N;Yamada K .Visible emission characteristic in Tb3+-doped fluorescent glasses under selective excitation[J].Journal of Luminescence,1996,68:179-186. |
| [5] | BUCHANAN R A;Bueno C;Berger H et al.Terbium Activated Borate luminescent Glasses Coactivated with Gadiolium Oxide[P].US 5108959,1992. |
| [6] | 干福熹.玻璃的化学和光谱性质[M].上海:上海科学技术出版社,1992 |
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