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Type: Artigo de periódico
Title: Preparation And Characterization Of Tellurium Oxide Based Glass: Li2o-tio2-teo2 System
Author: Cuevas R.F.
Barbosa L.C.
de Paula A.M.
Liu Y.
Reynoso V.C.S.
Alves O.L.
Aranha N.
Cesar C.L.
Abstract: Li2O-TiO2-TeO2 glass systems presenting large optical non-linearities are promising materials for optical device applications. The preparation and characterization of xLi2O:5TiO2:(100 - x)TeO2 glass systems with x = 5, 10, 15, 20 and 25 mol% are described. The glasses were melted in a high-purity alumina crucible placed in an electrical resistance furnace at 950°C for 30 min. The characterization was done by X-ray diffraction, Raman scattering, density, dilatometry, UV-VIS cut-off, light absorption and linear refractive index measurements. The experimental results indicate that there is a structural change in the glass network for Li2O concentrations in the range 10-20 mol%. We have also used Lines' theoretical model to estimate the third-order non-linear optical susceptibility. The values obtained are comparable with experimental data found in the literature for this glass system. © 1995 Elsevier Science B.V. All rights reserved.
Rights: fechado
Identifier DOI: 10.1016/0022-3093(95)00296-0
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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