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In this work, the combination of three different thermal lens spectroscopic methodologies was used to better determine the fluorescence quantum yield and to observe the concentration quenching in Yb3+-doped binary tellurite glasses (in mol%, 80TeO2 – 20Li2O and 80TeO2 – 20WO3). The samples were synthesized by the conventional melt-quenching method and then studied using optical spectroscopy and thermal...
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