Upconversion energy transfer in Yb3+/Tm3+ doped tellurite glass

J. Żmojda; D. Dorosz; M. Kochanowicz; J. Dorosz

doi:10.1117/12.896104

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10 June 2011 Upconversion energy transfer in Yb³⁺/Tm³⁺ doped tellurite glass

J. Żmojda, D. Dorosz, M. Kochanowicz, J. Dorosz

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Proceedings Volume 8010, Optical Fibers and Their Applications 2011; 80100M (2011) https://doi.org/10.1117/12.896104
Event: Optical Fibers and Their Applications 2011, 2011, Bialystok-Bialowieza, Poland

Abstract

The paper presents energy transfer in tellurite glass from the system TeO₂ - GeO₂ - PbO - PbF₂- BaO - Nb₂O₅ - LaF3 doped with Yb³⁺/Tm³⁺ ions. Under the excitation of 976 nm laser a strong blue emission (477 nm) corresponding to the transition ¹G₄ → ³H₆ in thulium ions was observed. Analysing the influence of the content of Tm3+ ions on the level of luminescence obtained by the mechanism of upconversion it was established that the most effective energy transfer between Yb ³⁺→ Tm³⁺ ions took place in the matrix doped in the following proportion: 1 Yb³⁺:0.1 Tm³⁺ (%mol). Based on the non-resonant process of energy transfer between Yb³⁺ and Tm³⁺ ions the mechanism of upconversion was discussed.

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J. Żmojda, D. Dorosz, M. Kochanowicz, and J. Dorosz "Upconversion energy transfer in Yb³⁺/Tm³⁺ doped tellurite glass", Proc. SPIE 8010, Optical Fibers and Their Applications 2011, 80100M (10 June 2011); https://doi.org/10.1117/12.896104

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