Spectroscopic properties and Judd-Ofelt analysis of Er3+/Yb3+/Tm3+ doped tellurite glasses - Calderón, Gaston Lozano; Silva, Otávio de Brito; Gonçalves, Rogéria Rocha; Rivera, Victor Anthony Garcia; Marega Junior, Euclydes (Brazilian MRS Meeting, 2019)