Synthesis, Structural and Luminescence Studies of Europium Doped Borate Glasses | Zendy

V. L. Usharani | Zendy; B. Eraiah | Zendy

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Synthesis, Structural and Luminescence Studies of Europium Doped Borate Glasses

Author(s) -

V. L. Usharani,

B. Eraiah

Publication year - 2020

Publication title -

journal of materials and applications

Language(s) - English

Resource type - Journals

eISSN - 2051-7750

pISSN - 2051-7742

DOI - 10.32732/jma.2020.9.1.9

Subject(s) - europium , photoluminescence , radiative transfer , luminescence , materials science , analytical chemistry (journal) , boron , ion , doping , stimulated emission , emission spectrum , lithium (medication) , spectral line , laser , chemistry , optics , physics , optoelectronics , organic chemistry , chromatography , astronomy , medicine , endocrinology

Different concentration of (0.1, 0.2, 0.3, 0.4, 0.5, 1.0 & 1.5) mol% of europium doped lead borate lithium glasses were prepared by melt quenching method. The properties of thermal, photoluminescence & structural were analyzed using DTA, FTIR and emission spectra. Emission spectra was used to evaluate the Judd-Ofelt (JO) parameters. Radiative parameters like stimulated emission cross-sections (σe), effective band width (∆λeff), transition probabilities (A), optical gain bandwidths (σe x ∆λeff), radiative lifetime (τrad) and optical gain (σe x τrad) values were evaluated for the transition 5D0→7Fj (j=1, 2, 3 and 4) of Eu3+ ions. The outcome of transition 5D0→7F4 at its highest value of branching ratios and stimulated emission cross-section are evaluated with the literature. Hence we can could the prepared host glass doped with Eu3+ ions are good fibre amplifiers and it can be used as a red laser.

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