Study of photoluminescence quenching in Er3+-doped tellurite glasses

被引：82
|
作者：
Jlassi, I. [1 ]
Elhouichet, H. [1 ]
Ferid, M. [1 ]
Chtourou, R. [2 ]
Oueslati, M. [3 ]
机构：
[1] Ctr Natl Rech & Sci Mat, Unite Rech Mat Terres Rares, Hammam Lif 2050, Tunisia
[2] Ctr Rech Sci & Technol Energie, Lab Photovoltai & Semicond, Hammam Lif 2050, Tunisia
[3] Fac Sci Tunis, Dept Phys, Untie Rech Spectroscopie Raman, Tunis 2092, Tunisia
来源：
OPTICAL MATERIALS | 2010年 / 32卷 / 07期
关键词：
Tellurite glasses; Erbium; Photoluminescence; Absorption; Stimulated cross-section; FREQUENCY UP-CONVERSION; RARE-EARTH IONS; SPECTROSCOPIC PROPERTIES; OPTICAL-TRANSITIONS; ENERGY-TRANSFER; FIBER AMPLIFIERS; HYDROXYL-GROUPS; ER3+ IONS; LUMINESCENCE; ABSORPTION;
D O I：
10.1016/j.optmat.2010.02.006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Erbium-doped tellurite glasses (TeO2-ZnO-Na2O3: Er3+ (TZNE)) were elaborated from the melt-quenching method. Various spectroscopic parameters were obtained to evaluate their dependence and the potential of the samples as a laser material in the eye-safe laser wavelength (1.53 mu m) as a function of the Er3+ concentration. The dependence of infrared photoluminescence (PL) spectra on doping concentration shows a quenching of the PL intensity for Er3+ concentration above 2 mol%. Such dependence is discussed in terms of interactions between Er3+ ions and OH- content. FTIR spectra were measured in order to calculate the exact content of OH- groups in samples. It was found that PL quenching with Er concentration in the tellurite glass is independent of OH- content. Stimulated cross-section at 1.53 mu m was determined and was discussed using the McCumber theory. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：743 / 747
页数：5
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