Energy transfer and population inversion in heavy metal oxide glasses doped with Tm3+ and Tb3+

被引：0

作者：

Song, JH

Heo, J

机构：

[1] Pohang Univ Sci & Technol, Ctr Informat Mat, Pohang 790784, Gyeongbuk, South Korea

[2] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Pohang 790784, Gyeongbuk, South Korea

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2004年 / 87卷 / 10期

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D O I：

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中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Emission properties and energy transfer of PbO-Bi2O3 Ga2O3-GeO2 glasses codoped with Tm3+ and Tb3+ ions were investigated. The 1.48-mum emission due to the Tm3+:H-3(4)-->F-3(4) transition can be used to amplify the S-band (1460-1530-nm) signal light. With Tb3+ addition, the lifetime and emission intensity of the Tm3+:F-3(4) level decreased sharply via the Tm3+:F-3(4)-->Tb3+:(7)Fn(0,1,2) energy transfer. Population densities of the F-3(4) and H-3(4) levels in Tm3+ calculated from rate equations clearly verified that population inversion in Tm3+ ions became possible with as little as 0.1 mol % of Tb3+ addition.

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页码：1903 / 1906

页数：4

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