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19 October 2016 Influence of Er3+ and Yb3+ concentration for upconversion emission in KLTN ceramics under 980nm laser excitation
Lei Li, Jing Jia, Ruixi Zhou
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Proceedings Volume 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration; 101520Q (2016) https://doi.org/10.1117/12.2246498
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
In this paper, we have investigated the upconversion luminescence properties of Er3+ doped and Er3+/Yb3+ codoped potassium lithium tantalate niobate (KLTN) ceramics. The green, red, and near infrared upconversion photoluminescence properties are analyzed by the steady-state spectra under 980 nm laser excitation. We research the relationship between UC fluorescence integral intensity and Er3+ / Yb3+ concentration. We research the pump energy dependence of UC luminescence intensities, and summarize the changing trend for the slopes n with Er3+/Yb3+ ions concentrations. Finally, we make steady-state rate equations to describe the power dependence behavior and the UC mechanism. The deduced results is consistent with experimental results.
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Lei Li, Jing Jia, and Ruixi Zhou "Influence of Er3+ and Yb3+ concentration for upconversion emission in KLTN ceramics under 980nm laser excitation", Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101520Q (19 October 2016); https://doi.org/10.1117/12.2246498
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KEYWORDS
Ceramics
Upconversion
Luminescence
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