Structural, physical, and Judd-Ofelt analysis of germanium magnesium-telluroborate glass containing different amounts of Tm2O3

A. A. El-Maaref, Kh. S. Shaaban, E. A. Abdel Wahab

Germanium magnesium-telluroborate glasses with the composition 78B2O3-10GeO2-5TeO2-7-x MgO-xTm2O3, x = 0, 0.25, 0.5, 1, and 1.5 mol% were fabricated by using the melt quenching pro…