Optical absorption and structural studies of bismuth borate glasses containing Er3+ ions Effect of alkaline earth modifier on the optical and structural properties of Cu2+ doped phosphate glasses as a bandpass filter Characterization of borate glasses doped with copper oxide for optical application Ligand field and spectroscopic investigations of cobalt doped erbium–zinc borate glasses Raman, FTIR studies and optical absorption of zinc borate glasses containing WO3. Influence of Na2O Addition on the Alkali Borochromate Glasses: Structure and Ligand Field Optical and Mossbauer spectroscopy of lithium tetraborate glass doped with iron oxide Optical and physical studies of Bi doped borate glassy system Effect of alkali type on the optical behavior of Cu doped borate glass bandpass filter The effect of radiation on the structure and ligand field of borate glasses containing Cr ions Spectroscopic Studies and the Effect of Radiation of Alkali Borate Glasses Containing Chromium Ions Vanadyl doped Li-zinc borate glasses: Optical and ESR study