Optical properties of zinc borotellurite glass system doped with erbium and erbium nanoparticles for photonic applications

Comparative analysis on optical properties between two glass series (a-ordinary glass, b-glass with nanoparticles) have been estimated. The two glass series (a-ordinary glass, b-glass with nanoparticles) with compositions {[(TeO2)(0.70) (B2O3)(0.30)](0.70) (ZnO)(0.30)}(1-y) (Er2O3/Er2O3 nanoparticles)(y); y = 0.005, 0.01, 0.02, 0.03, 0.04, 0.05 mol% were successfully prepared by using melt-quenching method. The TEM, EDX and XRD have been used to confirm the existence of nanoparticles and all elements in the glass system. The density of b-glass with nanoparticles are found greater than a-ordinary glass. The optical properties of the glass series were characterized by using Ellipsometer and UV-Vis spectrophotometer. There is a linear increasing trend in refractive index of the glass series along with concentration of erbium and erbium nanoparticles oxide. The refractive index of b-glass with nanoparticles is greater than a-ordinary glass. Moreover, the absorption peaks of a-ordinary glass are more intense than b-glass with nanoparticles. The glass with nanoparticles will offer a potential materials for nanophotonic devices.