Journal
OPTIK
Volume 169, Issue -, Pages 118-124Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ijleo.2018.05.042
Keywords
Judd-Ofelt; Upconversion; Oxyfluoride glass
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Funding
- 973 project [2014CB8460003]
- One-Thousand-Talents Scheme in Sichuan Province
- Hebei outstanding young scholars
- Natural Science Research Major Project in University of Hebei Province [ZD2017012]
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Ho3+ and Er3+-singly doped and Ho3+/Yb3+ and Er3+/Yb3+-codoped SiO2-Al2O3-MgO-MgF2 glasses were developed. Ho3+ and Er3+-singly doped glasses were analyzed by the Judd-Ofelt theory, and the intensity parameters obtained by Judd-Ofelt theory and by the linear relationship reported by Su were contrasted. Upconversion luminescence was observed in Ho3+/Yb3+ and Er3+/Yb3+-codoped glasses under 980 nm excitation.
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