Optical spectroscopy of Eu3+ ions doped in KLu(WO4)2 single crystals

被引：14

作者：

Koubaa, T. ^{[1
]}

Dammak, M. ^{[1
]}

Pujol, M. C. ^{[2
]}

Aguilo, M. ^{[2
]}

Diaz, F. ^{[2
]}

机构：

[1] Univ Sfax, Appl Phys Lab, Dept Phys, Grp Phys Mat Luminescent,Fac Sci Sfax, Sfax, Tunisia

[2] Univ Rovira & Virgili, Fis & Cristal Log Mat & Nanomat FiCMA FiCNA EMaS, E-43007 Tarragona, Spain

来源：

JOURNAL OF LUMINESCENCE | 2015年 / 168卷

关键词：

Optical spectroscopy; Eu3+:KLu(WO4)(2); Judd-Ofelt; Anomalously strong configuration interaction (ASCI); LUMINESCENCE PROPERTIES; LASER OSCILLATION; SPECTRA; INTENSITIES; GROWTH; TM3+; GLASSES; FIELD; ND3+; PR3+;

D O I：

10.1016/j.jlumin.2015.07.015

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Europium single doped potassium lutetium tungstate Eu3+:KLu(WO4)(2) single crystals have been grown with the top seeded solution growth slow cooling method. Their absorption spectra are studied in detail for principal light polarizations, E parallel to INp, N-m and N-g at room and low temperatures. The absorption oscillator strengths parameters are calculated by means of the theory of f-f transition intensities for systems with anomalously strong configuration interaction and by Judd-Ofelt theory. The Omega(t) (t=2, 4, 6) intensity parameters, and the {O-dk, O-ck, Delta(d), Delta(c1) and Delta(c2)) (k=1, 2, 3) ASCI parameters are calculated. The radiative transition rates A(R), radiative lifetimes tau(R), and fluorescent branching ratios beta(R) associated with D-5(0)-F-7(j) transitions of Eu3+ were determined. The calculated decay times are discussed and compared with experimental values. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：7 / 13

页数：7

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