Fluorescence properties and energy transfer mechanism of Sm3+ ion in lead telluroborate glasses

被引：71

作者：

Jamalaiah, B. C. ^{[1
,2
]}

Kumar, M. V. Vijaya ^{[3
]}

Gopal, K. Rama ^{[4
]}

机构：

[1] Sree Vidyanikethan Engn Coll, Dept Phys, Tirupati 517102, Andhra Pradesh, India

[2] Changwon Natl Univ, Dept Phys, Chang Won 641773, South Korea

[3] Rayalaseema Univ, Dept Phys, Kurnool 518002, India

[4] Sri Krishnadevaraya Univ, Dept Phys, Anantapur 515003, Andhra Pradesh, India

来源：

OPTICAL MATERIALS | 2011年 / 33卷 / 11期

关键词：

Lead telluroborate glass; Sm3+ ion; Judd-Ofelt Theory; Fluorescence properties; Energy transfer; OPTICAL-PROPERTIES; BORATE; PHOTOLUMINESCENCE; INTENSITIES; RELAXATION; PARAMETERS; ABSORPTION;

D O I：

10.1016/j.optmat.2011.04.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the fluorescence properties of Sm3+-doped lead telluroborate glasses of composition PbF2.TeO2.H3BO3 center dot Sm2O3 as a function of Sm3+ concentration. A Judd-Ofelt scheme was used to determine the intensity parameters and radiative properties of Sm3+ ion. The emission and decay measurements were carried out at 402 nm excitation. Beyond 1.0 mol% Sm3+ concentration, the luminescence quenching is observed. The decay curves of (4)G(5/2) level are well.fitted to a single exponential function. The evaluated radiative properties suggest that the (4)G(5/2) -> H-6(7/2) transition is responsible for reddish-orange luminescence which might be used in the development of visible lasers. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1643 / 1647

页数：5

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