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Elsevier, Journal of Alloys and Compounds

DOI: 10.1016/s0925-8388(04)00317-2

Elsevier, Journal of Alloys and Compounds, 1-2(380), p. 167-172

DOI: 10.1016/j.jallcom.2004.03.025

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Optical Intensities of Pr3+ Ions in Transparent Oxyfluoride Glass and Glass–Ceramic. Applications of the Standard and Modified Judd–Ofelt Theories

Journal article published in 2004 by R. T. Génova, I. R. Martín, U. R. Rodríguez Mendoza, F. Lahoz, R. T. Genova, A. D. Lozano Gorrín, P. Núñez, J. González Platas ORCID, V. Lavín
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Abstract

The optical characterisation of Pr3+ ions in transparent SiO2-Al2O3-CdF2-PbF2-YF3 based glass and glass-ceramic have been performed. From absorption and emission spectra the oscillator strengths of the 4f(2)-4f(2) electronic transitions have been obtained. The intensity parameters have been calculated using both the Judd-Ofelt theory and the modified theory developed by Kornienko, Kaminskii and Dunina. A comparison of the experimental oscillator strengths, the spontaneous emission probabilities and the lifetimes of the P-3(0) level and those calculated using the above theoretical procedures has been performed for both samples. The root mean square deviation found using the standard Judd-Ofelt theory is larger than the value obtained with the modified treatment. (C) 2004 Published by Elsevier B.V.