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INTERNATIONAL JOURNAL OF APPLIED GLASS SCIENCE, vol.6, no.4, pp.397-405, 2015 (SCI-Expanded)
This study presents a spectroscopic investigation of tellurite glasses which contain Nd3+ ions. The investigation was directed to the characterization of the glasses and to the study of the spectral emission from Nd3+ ions. The band gap energies for both direct and indirect possible transitions and the Urbach energies were measured. As for Nd3+, the absorption, emission, and response to pulsed excitation measurements were performed and the results are reported. The absorption spectra of the samples were analyzed using the Judd-Ofelt approach.