Spectral and Up conversion Properties of Eu3+ Doped in Zinc Lithium Potassiumniobate Borosilicate Glasses

Abstract

Glass sample of zinc lithium potassiumniobate borosilicate (35-x) SiO2:10ZnO:10Li2O:10K2O:10Nb2O5:25B2O3:xEu2O3. (where x=1,1.5,2 mol%) have been prepared by melt-quenching technique. The amorphous nature of the prepared glass samples was confirmed by X-ray diffraction. The absorption and fluorescence spectra of three Eu3+ doped zinc lithium potessiumniobate glasses have been recorded at room temperature. The various interaction parameters like Slater-Condon parameter F2, Lande parameter (?4f), nephelauexetic ratio (?\') and bonding parameter (b1/2) have been computed. Judd-Ofelt intensity parameters and laser parameters have also been calculated.

Introduction

Conclusion

In the present study, the glass samples of composition (35-x) SiO2:10ZnO:10Li2O:10K2O:10Nb2O5:25B2O3: x Eu2O3 (where x=1, 1.5, 2mol %) have been prepared by melt-quenching method. The Judd-Ofelt theory has been applied to calculate the oscillator strength and intensity parameters ?? (?=2, 4, 6). The radiative transition rate and the branching ratio are highest for (5D0?7F5) transition and hence it is useful for laser action. The stimulated emission cross section (?p) value is also very high for the transition (5D0?7F5). This shows that (5D0?7F5) transition is most probable transition.

References

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Copyright © 2022 S. L. Meena. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.