Spectroscopic and photoluminescence characteristics of Dy3+ ions in lead containing sodium fluoroborate glasses for laser materials

► Prepared LCZSFB glasses with different concentrations of Dy3+ ions. ► Glasses characterized by XRD, FTIR, absorption, emission and lifetimes. ► J-O theory used to calculate different radiative properties. ► Yellow-blue intensity ratios and color coordinates are discussed. ► Glasses useful for development of lasers and photonic devices.