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- Luminescence quantum efficiency at 1.5 μm of Er3+-doped tellurite glass determined by thermal lens spectroscopy
- Universidade Estadual Paulista (UNESP)
- Universidade Estadual de Maringá (UEM)
- Universidade de São Paulo (USP)
- Universidade Estadual de Mato Grosso do Sul (UEMS)
- Erbium doped tellurite glasses (TeO2 + Li2O + TiO2) were prepared by conventional melt-quenching method to study the influence of the Er3+ concentration on the luminescence quantum efficiency (η) at 1.5 μm. Absorption and luminescence data were used to characterize the samples, and the η parameter was measured using the well-known thermal lens spectroscopy. For low Er3+ concentration, the measured values are around 76%, and the concentration behavior of η shows Er-Er and Er-OH- interactions, which agreed with the measured lifetime values. © 2013 Elsevier B.V. All rights reserved.
- Optical Materials, v. 35, n. 12, p. 2400-2404, 2013.
- Tellurite glass Erbium Luminescence quantum efficiency Thermal lens spectroscopy
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