Spectroscopic properties of Tm3+ ions in lead-niobium-germanate glasses

被引：2

作者：

Balda, R ^{[1
]}

Lacha, LM ^{[1
]}

Fernández, J ^{[1
]}

机构：

[1] Escuela Super Ingn, Dpto Fis Aplicada I, Bilbao 48013, Spain

来源：

OPTICAL COMPONENTS AND MATERIALS | 2004年 / 5350卷

关键词：

heavy metal oxide glasses; thulium; optical properties;

D O I：

10.1117/12.528315

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：

In this work, we report the optical properties of Tm3+ doped lead-niobium-germanate glasses (GeO2-PbO-Nb2O5) for different Tm3+, concentrations ranging between 0.5 and 3 wt%. Judd-Ofelt intensity parameters have been determined to calculate the radiative transition probabilities and radiative lifetimes of excited states. Luminescence spectra and lifetimes were measured under 457 nm and 798 nm excitations. In this glass the infrared emission corresponding to the H-3(4)-->F-3(4) transition is broader by nearly 40 nm if compared to fluoride glasses used for S-band amplifiers. The stimulated emission cross-section has been determined from the line shape of the emission spectra and the lifetime of level H-3(4).

引用

页码：243 / 250

页数：8

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