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|Type:||Artigo de periódico|
|Title:||Fabrication and upconversion luminescence of Er3+/Yb3+ codoped TeO2-WO3-Na2O-Nb2O5-Al2O3 glass fibers|
de Posada, 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|
Tellurite fibers fabrication
|Editor:||Elsevier Science Bv|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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