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

Table 2

Absorption peaks from Sm₂O₃-doped Na₂O–ZnO–P₂O₅ glasses and their excitation levels, ground state ⁶H_5/2 →.

Peaks / nm	Excited state
367	^4D1/2 + ^4P7/2
405	^6P5/2, ^4K11/2
472	^4I1/2+ ^4I13/2+^4M15/2
950	^6F11/2
1038	^6F9/2
1238	^6F7/2
1385	^6F5/2
1489	^6F3/2
1552	^6F1/2
1623	^6H15/2