Artículos de revistas
Fabrication and upconversion luminescence of Er3+/Yb3+ codoped TeO2-WO3-Na2O-Nb2O5-Al2O3 glass fibers
Registro en:
Journal Of Luminescence. Elsevier Science Bv, v. 134, n. 528, n. 532, 2013.
0022-2313
WOS:000313393300085
10.1016/j.jlumin.2012.07.034
Autor
Narro-Garcia, R
Chillcce, EF
Barbosa, LC
de Posada, E
Arronte, M
Rodriguez, E
Institución
Resumen
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) 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. 134 528 532 Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) CePOF-UNICAMP COFAA COTACYT CONACYT Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)