Research Article

The Study on the Decolorization and Properties of Bismuth Glass

Figure 4

Raman spectra of a series of glasses melted at different temperatures: (a) 35B2O3–45Bi2O3–10P2O5–10ZnO; (b) 35B2O3–45Bi2O3–10P2O5–10ZnO + 3Sb2O3.