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Type: Artigo de periódico
Title: Fabrication And Upconversion Luminescence Of Er3+/yb 3+ Codoped Teo2-wo3-na2o-nb 2o5-al2o3 Glass Fibers
Author: Narro-Garcia R.
Chillcce E.F.
Barbosa L.C.
De Posada E.
Arronte M.
Rodriguez E.
Abstract: The tellurite fibers based on glasses with the composition TeO 2-WO3-Nb2O5-Na2O-Al 2O3-Er2O3-Yb2O 3 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+/Yb3+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. © 2012 Elsevier B.V. All rights reserved.
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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