• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology


Indian Journal of Science and Technology

Year: 2023, Volume: 16, Issue: 3, Pages: 230-238

Original Article

Photoluminescence Interaction of Alkali Fluoride Over Alkali Oxide in Nd3+ Doped Glasses for NIR Applications

Received Date:08 December 2022, Accepted Date:22 December 2022, Published Date:24 January 2023


Background/Objectives: 23CaO + 10Al2O3 + (51 􀀀 x)B2O3 + 6BaF2 + 10Na2O + xNd2O3 glasses were designed for understanding the optical properties of the emission, such as absorption, lifetime, and quantum efficiencies (QEs) of the glasses. Methods: The glasses were synthesized using the conventional melt-quenching technique at 11500C. The amorphous nature of the samples was confirmed by x-ray diffraction studies. Findings: The radiative QE (h) obtained from the radiative lifetime by Judd-Ofelt analysis, as well as directly measured lifetime using a 582 nm were measured and compared with other reported literature. Novelty: The present work focuses on the replacement of fluorine ions to their alkali content and studied their stimulated emission cross section. The stimulated emission cross-section shows s emi=25.3x10-21cm2 and s emi=18.5x10-21cm2 for oxide (R1) and oxy-fluoride glasses (F2) with 0.5mol% Nd203 content respectively. The stimulated emission cross section s emi=29.9x10-21cm2 ands emi=32.5x10-21cm2 for oxide (F1) and oxy-fluoride (A3) glasses with 1.0mol% Nd203 content respectively. The data clearly suggests that addition of higher fluorine content in the glasses are suitable for NIR solid state device applications.

Keywords: Nd 3+ ions; JOtheory; Radiative properties; photoluminescence; Borate glass


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© 2023 Gurav et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Published By Indian Society for Education and Environment (iSee)


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