The luminescent properties of Er3+–Yb3+-doped fluorophosphate fiber glass preforms at high temperatures |
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| Affiliation: | 1. Centro de Investigaciones en Optica, A.C., Loma del Bosque 115, Col. Lomas del Campestre, León 37150, Gto., Mexico;2. Department of Ceramic and Material Engineering, The State University of New Jersey, 607 Taylor Road, Piscataway, NJ 08854-8065, USA;1. Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo 11566, Egypt;2. Laboratory Department-New Al-Kasr-EL-Aini Teaching Hospital-Faculty of Medicine-Cairo University, Cairo 25114, Egypt;1. Nikolaev Institute of Inorganic Chemistry SB RAS, 630090 Lavrentieva St. 3, Novosibirsk, Russia;2. Novosibirsk State University, 630090 Pirogova St. 2, Novosibirsk, Russia;3. Saint Petersburg State University, Institute of Chemistry, 199034 Universitetskaya Nab. 7-9, Saint Petersburg, Russia;4. South Ural State University, Chelyabinsk, 454080, Russia;1. School of Material and Science Engineering, Jiangsu University, Zhenjiang 212013, China;2. School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China;1. Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt;2. Chemistry Department, Faculty of Science, North Jeddah, King Abdulaziz University, Saudi Arabia |
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| Abstract: | Optical properties of fluorophosphate Er3+–Yb3+ fiber preforms with different concentrations of ErF3 and YbF3 are investigated in the temperature interval 25–300 °C. The temperature-dependent absorption spectra and luminescence at 1535 nm (under the λ = 970 nm excitation) spectra as well as the 4I13/2 → 4I15/2 luminescence decay times are used to compute the luminescence cross-section σe(λ). Our results show that in the range of the temperature investigated the quenching effect due to the temperature increase weakly affects the luminescence cross-section and decay time, which make these materials promising for fiber-optics applications. |
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