Research Article

Collective Optical, FTIR, and Photoluminescence Spectra of CeO2 and/or Sm2O3-Doped Na2O–ZnO–P2O5 Glasses

Figure 10

FT-infrared absorption spectra of (a) 0.5%, (b) 2%, and (c) 5% Sm2O3-doped glasses.