Abstract
By melt quenching technique, a series of transparent bulk glasses with compositions (75TeO2–5Li2O–10ZnO–(10-S) Nb2O5–(S) Yb2O3) have been obtained, where S = 0.0, 0.5, 1, 1.5, 2, 2.5 mol%. For the prepared glass samples, physical properties such as density, molar volume, and oxygen packing density were studied. Spectroscopic parameters such as gain, absorption cross-section, and emission cross-section were measured. Differential scanning calorimetry curves indicated that the prepared glass compositions have a good stability factor. At different wavelengths, Urbach energy, optical band gap, and refractive index were obtained. Effective functional groups were detected by applying Raman and FT-IR spectroscopies. This work showed that the prepared glasses are promising candidates for different optical applications and amplifiers including solid state lasers, sensors, data storage, and optical switches.
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