28 September 2016 Energy transfer mechanisms in heavy metal oxide glasses doped with lanthanide ions
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Proceedings Volume 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016; 100310S (2016) https://doi.org/10.1117/12.2247810
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 2016, Wilga, Poland
Abstract
In this paper, glasses based on bismuth, germanium, gallium and sodium oxides have been synthesized in terms of low phonon energy (724 cm-1) and high thermal stability (ΔT = 127°C). Synthesis process have been optimized using low vacuum conditions (approx. 60 mBar) to improve the transmittance in the mid-infrared region and decrease the content of hydroxide groups in the material structure. Glass doped with erbium ions has been pumped with high power diode (λexc = 980 nm) to obtain luminescence in the band of 2.7 μm as a result of Er3+: 4I11/24I13/2 radiative transition. For analysis of emission properties and energy transfer mechanisms, glasses co-doped with Er3+/Ho3+, Er3+/Pr3+, Er3+/Nd3+ ions have been synthesized. Obtained results indicated energy transfer phenomenon between lanthanide ions and elements forming the glass matrix. This demonstrates that developed heavy metal oxide glass doped with optimal rare earth elements system is an attractive material for mid-infrared applications.
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Tomasz Ragin, Jacek Zmojda, Marcin Kochanowicz, Piotr Miluski, Dominik Dorosz, "Energy transfer mechanisms in heavy metal oxide glasses doped with lanthanide ions", Proc. SPIE 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 100310S (28 September 2016); doi: 10.1117/12.2247810; https://doi.org/10.1117/12.2247810
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