Article ID Journal Published Year Pages File Type
5399657 Journal of Luminescence 2014 5 Pages PDF
Abstract
Series of (94%-x) TeO2-6% Bi2O3-x Nb2O5 (x=10, 12.5, 15, 17.5 and 20 mol%) glasses doped with Yb2O3 were prepared by the melt-quenching method. Their emission cross-sections, fluorescence lifetimes, gain and thermal properties were investigated by the absorption spectra, the fluorescence decay curves and differential scanning calorimetry (DSC), respectively. The results show that the glass with 15 mol% Nb2O5 possesses the largest emission cross-section of 1.36 pm2, the longest fluorescence lifetime of 0.96 ms and the highest gain coefficient of 1.31 ms pm2; also the glass has excellent thermal properties, for which the value of ∆T (=Tx−Tg) reaches up to 144 °C. These indicate that this tellurite glass may have potential application as Yb2O3 doped gain medium for solid lasers.
Related Topics
Physical Sciences and Engineering Chemistry Physical and Theoretical Chemistry
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