Research Article

The Study on the Decolorization and Properties of Bismuth Glass

Figure 3

Raman spectra of a series of glasses melted at different temperatures: (a) 40B2O3–40Bi2O3–10P2O5–10ZnO; (b) 40B2O3–40Bi2O3–10P2O5–10ZnO + 3Sb2O3.