Optical properties of Eu2O3 doped lead fluoroborate glass

Abstract

A series of Lead Fluoroborate glasses having composition (mol%) 20 PbF 2 - 20 TeO2 - (60-x) B2O3 - xEu 2O3 were prepared by doping with different concentration of rare earth element Europium (Eu3+) using the normal melt-quench technique (with x = 0.0, 0.1, 0.5, 1.0, 1.5, 2.0 and 2.5 mol%). The physical parameters like mass density, refractive index, number density, molar refraction, electronic polarizability of theses glasses were found as a function of dopant concentration. The absorption spectra of these glasses were recorded in the UV-VIS range. No sharp edges were found in the spectra, which verify the amorphous nature of theses glasses. © 2012 American Institute of Physics.