Comparative analysis on optical properties between two glass series (a-ordinary glass, bglass with nanoparticles) have been estimated. The two glass series (a-ordinary glass, bglass 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.
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