Up-conversion emission of Er3+ ions in Yb3+ sensitized oxide crystals

被引：0

作者：

Wang, J ^{[1
]}

Ruan, YF ^{[1
]}

Lin, JY ^{[1
]}

Liu, J ^{[1
]}

Huang, BX ^{[1
]}

机构：

[1] Tianjin Univ, Sch Sci, Dept Phys, Tianjin 300072, Peoples R China

来源：

JOURNAL OF RARE EARTHS | 2004年 / 22卷

关键词：

up-conversion; oxide crystals; Judd-Ofelt theory; rate equations;

D O I：

暂无

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Most of the up-conversion lasers operated at room temperature are realized with heavy metal fluorides. In this paper the Judd-Ofelt parameters Omega(lambda)(lambda = 2,4,6) were calculated for Er3 + ions in Yb3 + sensitized LiNbO3 and YVO4 crystals at room temperature, together with the radiative transition probabilities, non-radiative transition probabilities and resonant transition probabilities of Er3 + ions. Taking into account the energy transfer from Yb3 + to Er3 +, the rate equations are given for Er3 + ions. We obtained from a solution of the rate equations that Yb3 + sensitized YVO4 crystal is more efficient than Yb3 + sensitized LiNbO3 crystal in the up-conversion of 550 nm of Er3 + emission, which is consistent with our observation.

引用

页码：141 / 145

页数：5

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