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Thermal stability and spectroscopic study of Ho3+/Yb3+ co-doped fluorophosphates glasses

Abstract : Holmium/Ytterbium co-doped fluorophosphate glasses with compositions (80-x-y) NaPO3-10SrF2-10ZnF2- xHoF3- yYbF3 (x = 1 and y = 0.5, 1, 1.5 and 2 mol%) were prepared by melt-quenching technique. The stability criteria indicate that these glasses exhibit a good resistance against devitrification. Densities of glasses were determined and showed an almost linear variation with increase of YbF3 content. Spectroscopic parameters of Ho3+ such as radiative transition probability, branching ratio, spectroscopic quality factor, integrated emission cross section and radiative lifetime, were calculated on the basis of Judd-Ofelt analysis. The results showed that these glasses could be proposed as suitable lasing materials. © 2017 The Authors
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O. Bentouila, K.E. Aiadi, F. Rehouma, M. Poulain, F. Benhbirech. Thermal stability and spectroscopic study of Ho3+/Yb3+ co-doped fluorophosphates glasses. Journal of King Saud University - Computer and Information Sciences, Elsevier 2019, 31 (4), pp.628-634. ⟨10.1016/j.jksus.2017.12.011⟩. ⟨hal-02473043⟩

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