Absorption and emission spectral studies of Sm3+-doped lead tungstate tellurite glasses

被引：78

作者：

Babu, A. Mohan ^{[1
]}

Jamalaiah, B. C. ^{[1
,3
]}

Sasikala, T. ^{[1
]}

Saleem, S. A. ^{[2
]}

Moorthy, L. Rama ^{[1
]}

机构：

[1] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India

[2] Govt Degree Coll, Dept Phys, Nagari 517590, India

[3] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 14期

关键词：

Amorphous materials; Optical properties; Luminescence; Optical spectroscopy; OPTICAL-PROPERTIES; SM3+ IONS; PHOTOLUMINESCENCE PROPERTIES; LITHIUM BORATE; OXIDE; FLUORESCENCE; TRANSITIONS; INTENSITIES; LASER; ER3+;

D O I：

10.1016/j.jallcom.2011.01.136

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The present work reports the effect of concentration on photoluminescence properties of Sm3+ ions doped lead tungstate tellurite (LTTSm) glasses by using the absorption, emission and decay measurements. The Judd-Ofelt theory has been used to evaluate the three Judd-Ofelt intensity parameters (ohm(2,4,6)) and calculated oscillator strengths (f(c)). LTTSm glasses exhibited intense reddish-orange emission when excited with 477nm wavelength. Concentration quenching has been noticed beyond 1.0 mol% of Sm3+ ion concentration. The decay curves of (4)G(5/2) level exhibited single exponential behavior for all the concentrations and the measured lifetimes are found to depend strongly on Sm3+ concentration. From the emission characteristic parameters of (4)G(5/2) level, it is concluded that the LTTSm glasses could be useful for photonic devices like visible lasers, fluorescent display devices and optical amplifiers. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：4743 / 4747

页数：5

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