Photoluminescence properties of Dy³⁺ doped Sb₂O₃-Na₂O-B₂O₃ glasses for laser applications

In present study Dy³⁺ doped 10Sb₂O₃–20Na₂O–70B₂O₃ glasses of different concentration were synthesised by melt quenching protocol. The prepared glasses were subjected to the absorption and photoluminescence characterization. The absorption transitions related oscillator strengths have been utilized in the formulation of JO parameters. The bonding parameters along with lasing potential of the glasses were tabulated using JO parameters. Further, excitation and emission spectra of the glass exhibited the characteristic lines of the Dy³⁺ ion and its intensity varied with the doping concentration. The Y/B ratio of the glass was determined using emission spectra of the glass. The results suggest 1 mol% of Dy³⁺ doped glasses are useful for continuous yellow laser applications.