Study on the green upconversion saturation in Er3+ doped oxyfluoride tellurite glass

被引：5
|
作者：
Dong Liqiang [1 ,2 ]
Huang Shihua [1 ]
Wen Hongyu [2 ]
Kang Kai [1 ]
Duan Xiaoxia [1 ]
机构：
[1] Beijing Jiaotong Univ, Key Lab Luminescence & Opt Informat, Minist Educ, Inst Optoelect Technol, Beijing 100044, Peoples R China
[2] Res Inst Chem Def, Beijing 102205, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2009年 / 27卷 / 02期
基金：
中国国家自然科学基金;
关键词：
upconversion; saturation; rate equations; rare earths; LUMINESCENCE; CRYSTALS;
D O I：
10.1016/S1002-0721(08)60246-X
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The upconversion emission spectra of Er3+ doped oxyfluoride tellurite glasses excited by 808 nm laser diode (LD) were measured. The dependence of 550 nm upconversion emission on the excitation intensity was analyzed. Quadratic intensity dependence was only observed at weak excitation intensity. With increasing the excitation intensity, saturation was turned out. The experimental results were fitted to a model based on the rate equations.
引用
收藏
页码：334 / 337
页数：4
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