Abstract
The lithium fluorophosphate glasses doped with neodymium oxide were synthesized by melt quenching technique with chemical composition 20Li2O–10AlF3–69P2O5–1Nd2O3 and 20Li2O–10AlF3–10NaF–59P2O5–1Nd2O3. The glasses after synthesizing were investigated through physical, FTIR and absorption spectra. The density and refractive index decrease with addition of sodium fluoride content inside the glass sample. The FTIR spectra of these glasses showed mainly of [PO3] and [PO4] structural units. The absorption spectra were investigated in the UV–vis–NIR region from 300–2000 nm. The optical bandgap energy (Eopt ) was observed to decrease with addition of sodium fluoride content in glass. The near-infrared spectra are investigated using NIR luminescence spectroscopy.
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