Study of the influence of silver impurity on the linear and nonlinear refractive index of tellurite glasses
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2010
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INTERNATION CONGRESS ON GLASS, 22th
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The tellurite glass system x AgO1/2. (100-x) (0,85 TeO2. 0,12 Nb2O5. 0,03 Na2O) mol%, where x =
0; 0.5; 2.0; 5.0 was investigated by OA, Z-scan and refractive index measurements using a coupled
prism system. Refractive index data were used to calculate the linear susceptibility and dielectric
constant using Wemple’s method and the optical gap was evaluated from AO. No significant
changes were introduced with the addition of silver. However, the Z-scan plots showed an
assymetric pattern for samples with added silver, which was analyzed with the aid of the models:
Sheik-Bahae [1,2], thermal lenses [3], aberrant thermal lenses [3] and Lara [4], yieldind discrepant
results. We attribute this assymetry to a multiphonon emission and a model based on Sumi [5] is
proposed.
Como referenciar
GIEHL, JULIA M.; PONTUSCHKA, WALTER M.; BARBOSA, LUIZ C.; ALVES, SARAH I.P.M. do N.; FIGUEIREDO NETO, ANTONIO M.; WETTER, NIKLAUS U.; SOGA, DIOGO; LUDWIG, ZELIA M. da C. Study of the influence of silver impurity on the linear and nonlinear refractive index of tellurite glasses. In: INTERNATION CONGRESS ON GLASS, 22th, September 20-25, 2010, Bahia, BA. Abstract... Disponível em: http://repositorio.ipen.br/handle/123456789/21201. Acesso em: 30 Dec 2025.
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