2017
DOI: 10.17577/ijertv6is010163
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Spectroscopic Properties and Energy Transfer in Lead Bismuth Gallium Borate Glasses Codoped with Tm3+ and Yb3+

Abstract: Lead bismuth gallium borate (GTY) glasses codoped with Tm 3+ /Yb 3+ were prepared by melt quenching technique. The glasses were characterized by X-ray diffraction spectra. Optical absorption, FTIR and photoluminescence spectra of these glasses have been studied. The optical absorption spectra exhibits a band at 980 nm due to transitions from the ground states 4 I15/2 and 2 F7/2 to excited states of Yb 3+. The other absorption bands at 658 nm (3 H6 → 3 F2), 686 nm (3 H6 → 3 F3), 792 nm (3 H6 → 3 H4), 1211 nm (3… Show more

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