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Color-Tunable Upconversion Luminescence in Er3+-Yb3+ -codoped Sodium Lutetium Fluoride Glass-ceramics

AuthorsBalda, Rolindes CSIC ORCID; Velázquez, J. J.; Gorni, Giulio; Iparraguirre, I.; Sedano, M.; Kochanowicz, M.; Zmojda, J.; Dorosz, D.; Durán, Alicia CSIC ORCID ; Pascual, M. Jesús CSIC ORCID; Fernández, Joaquín CSIC ORCID
Issue Date9-Jul-2019
Citation21st ICTON (2019)
AbstractIn this work, the study of the near infrared to visible upconversion (UC) emission in transparent sodium lutetium fluoride glass-ceramics doped with ErF 3 and co-doped with YbF 3 is reported. Intense UC green and red emissions due to ( 2 H 11/2 , 4 S 3/2 ) →4 I 15/2 and 4 F 9/2 →4 I 15/2 transitions respectively together with a more weak blue emission due to the 2 H 9/2 →4 I 15/2 transition have been observed under excitation at 980 nm. The influence of Yb 3+ co-doping and excitation power density on the upconversion emissions is investigated. The addition of Yb 3+ ions greatly enhances the overall UC emission intensity and can be used to tune the UC emission from green to yellow due to an increase of the red-to-green ratio.
DescriptionTrabajo presentado en el 21st International Conference on Transparent Optical Networks (ICTON), celebrado en Angers (Francia), del 9 al 13 de julio de 2019
Publisher version (URL)
Identifiersdoi: 10.1109/ICTON.2019.8840294
Appears in Collections:(CFM) Comunicaciones congresos

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