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Type: Artigo de periódico
Title: Fabrication and upconversion luminescence of Er3+/Yb3+ codoped TeO2-WO3-Na2O-Nb2O5-Al2O3 glass fibers
Author: Narro-Garcia, R
Chillcce, EF
Barbosa, LC
de Posada, E
Arronte, M
Rodriguez, E
Abstract: The tellurite fibers based on glasses with the composition TeO2-WO3-Nb2O5-Na2O-Al2O3-Er2O3-Yb2O3 were fabricated by the rod-in-tube technique using a Heathway drawing tower. The upconversion luminescence of Er3+/Yb3+ codoped tellurite glass fibers under 980 nm excitation were investigated. The Er3+/Yb(3+)co-doped tellurite fibers show an efficient up-conversion process in comparison with the Er3+-doped tellurite fibers. The pump power dependent intensities were discussed, which showed that two photons are involved in the upconversion process. (c) 2012 Elsevier B.V. All rights reserved.
Subject: Er3+-Yb3+ co-doped tellurite fibers
Upconversion luminescence
Tellurite fibers fabrication
Country: Holanda
Editor: Elsevier Science Bv
Citation: Journal Of Luminescence. Elsevier Science Bv, v. 134, n. 528, n. 532, 2013.
Rights: fechado
Identifier DOI: 10.1016/j.jlumin.2012.07.034
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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