Data for: Ultrapure NIR-to-NIR Single Band Emission of β-PbF2: Yb3+/Tm3+ in Glass Ceramics

Precursor oxyfluoride glasses with the composition (in mol%) of 30SiO2-15.5Al2O3-40PbF2-10CdF2-4.5Yb2O3-xTm2O3 (x=1.65×10-4, 5×10-4, 5×10-3, 0.01, 0.05, 0.1, 0.25, 1) were synthesized by the conventional melting-quenching method at a sintering temperature of 1,000°C for 120 minutes.

The CdF2 was introduced with Cd(NO3)2∙4H2O and NH4F. Transparent GCs were obtained with the prepared precursor glasses by thermal treatment for 8 h at 450 °C and then gradually cooled to room temperature and labeled as 1.65E-4%Tm, 5E-4%Tm, 0.005%Tm, 0.01%Tm, 0.05%Tm, 0.1%Tm, 0.25%Tm, and 1%Tm.