Broadband infrared luminescence in Yb-doped Bi2O3–GeO2 glasses |
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| Institution: | 1. School of Materials Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China;2. Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;1. Institute of Physics, Kazimierz Wielki University in Bydgoszcz, 85-090 Bydgoszcz, Poland;2. Electronics Department, Ivan Franko National University of Lviv, 79017 Lviv, Ukraine;3. Institute of Materials for Electronics and Energy Technology, Friedrich-Alexander University of Erlangen-Nuremberg, 91058 Erlangen, Germany;4. Institute for Single Crystals, National Academy of Sciences of Ukraine, 61178 Kharkiv, Ukraine;1. Institute of Physics, University of Tartu, W. Ostwaldi st. 1, Tartu 50411, Estonia;2. Prokhorov General Physics Institute RAS, Vavilov st. 38, Moscow 119991, Russia;3. Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk 630090, Russia;4. National Research Nuclear University Moscow Engineering Physics Institute, Kashirskoe Highway, 31, Moscow 115409, Russia;1. School of Materials Sciences and Technology, China University of Geosciences, Beijing 100083, China;2. School of Materials Sciences and Engineering, University of Science and Technology Beijing, Beijing 100083, China;1. Radiation Physics, Materials Technology and Biomedical Imaging Laboratory, Department of Biomedical Engineering, Technological Educational Institute of Athens, Egaleo, 122 10 Athens, Greece;2. Department of Medical Radiologic Technology, Technological Educational Institute of Athens, 122 10 Athens, Greece;1. Institute of Chemistry, University of Silesia, Szkolna 9, 40-007 Katowice, Poland;2. Institute of Materials Science, University of Silesia, 75 Pu?ku Piechoty1A, 41-500 Chorzów, Poland;1. Centre for Nuclear and Radiation Physics, Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, UK;2. Sunway University, Institute for Healthcare Development, 46150 PJ, Malaysia;3. Department of Physics, Kuliyyah of Science, International Islamic University Malaysia, 25200 Kuantan, Malaysia;4. National Physical Laboratory, Hampton Road, Teddington, Middlesex TW11 0LW, England;5. Department of Medical Physics & Clinical Engineering, Abertawe Bro Morgannwg UHB and School of Medicine, Swansea University, Swansea SA2 8PP, UK;6. Faculty of Engineering, Multimedia University, 2010 Cyberjaya, Selangor, Malaysia;7. Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia |
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| Abstract: | The Yb-doped Bi2O3–GeO2 glasses were prepared by the conventional melt quenching technique. Near-infrared (NIR) broadband emission was found at about 1024 nm, and 1330 nm (under 785 nm excitation), and the measured fluorescent lifetime was about several hundred microseconds. The emission intensity of Yb-doped Bi2O3–GeO2 glasses increased with increasing of Yb dopant in our experiments. The NIR emission should be related to Yb3+ and lower valence Bi ions. |
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| Keywords: | Yb Glass Photoluminescence |
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