Photoluminescent properties of rare-earth ions in TeO2-WO3-PbO-La2O3 glasses

被引：0

作者：

Mazurak, Zbigniew ^{[1
]}

Burtan, Bozena ^{[2
]}

Cisowski, Jan ^{[2
]}

Czaja, Maria ^{[3
]}

Lisiecki, Radoslaw

Ryba-Romanowski, Witold

Reben, Manuela

Wasylak, Jan

机构：

[1] Polish Acad Sci, Ctr Polymer & Carbon Mat, Ul Sklodowskiej Curie 34, PL-41819 Zabrze, Poland

[2] Cracow Univ Technol, Inst Phys, PL-30084 Krakow, Poland

[3] Silesian Univ, Fac Earth Sci, PL-41200 Sosnowiec, Poland

来源：

PHOTONICS, DEVICES, AND SYSTEMS V | 2011年 / 8306卷

关键词：

photoluminescence; rare-earth ions; tellurite glasses; TEMPERATURE; INTENSITIES; DECAY;

D O I：

10.1117/12.911168

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The tellurite-tungstate glasses containing small amounts of rare-earth ions have been studied experimentally at 77 and 293 K using spectroscopic methods. The photoluminescence (PL) studies reveal the emission of efficient green-yellow light from Tb3+ ions and red light from Eu3+ ions. The Judd-Ofelt intensity parameters have been derived for Nd3+ and Er3+ ions from the absorption spectra and they have used to calculate the radiative lifetimes and branching ratios. The quantum efficiency eta = 0.95 of the F-4(3/2) level of Nd3+ ion is higher than the typical value of other tellurite-based glasses. For Er3+ ions, PL originating from the S-4(3/2), I-4(11/2) and I-4(13/2) levels has been observed and the luminescence decay of the first two levels has been found to be governed by radiative transitions and multiphonon relaxation involving the highest energy of Te-O vibrations.

引用

页数：7

共 16 条

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