Fluorescence quantum efficiency dependent on the concentration of Nd 3+ doped phosphate glass

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Abstract

The thermal-lens (TL) method was applied to a new phosphate glass doped with Nd 3+ to determine fluorescence quantum efficiency (η) and thermal properties such as: thermal diffusivity, thermal conductivity and the temperature coefficient of optical length change. Studies were performed as a function of Nd 3+ concentration (0.5-3 × 10 20 ions/cm 3). In addition, fluorescence quenching was studied by measuring the concentration dependence of fluorescence lifetime. The TL and fluorescence lifetime results are in good agreement and corroborate the theory for energy transfer involving a pair of ions in which cross-relaxation (CR) is the dominant process. © 2012 Elsevier B.V. All rights reserved.

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Andrade, A. A., Pilla, V., Lourenço, S. A., Silva, A. C. A., & Dantas, N. O. (2012). Fluorescence quantum efficiency dependent on the concentration of Nd 3+ doped phosphate glass. Chemical Physics Letters, 547, 38–41. https://doi.org/10.1016/j.cplett.2012.07.062

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