Blue upconversion Luminescence in Tm3+/Yb3+-Codoped New Oxyfluoride Tellurite Glass
Data(s) |
2005
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Resumo |
The thermal stability, Raman spectrum and upconversion properties of Tm^(3+)/Yb^(3+) co-doped new oxyfluoride tellurite glass are investigated. The results show that Tm^(3+)/Yb^(3+) co-doped oxyfluoride tellurite glass possesses good thermal stability, lower phonon energy, and intense upconversion blue luminescence. Under 980-nm laser diode (LD) excitation, the intense blue (475 nm) emission and weak red (649 nm) emission corresponding to the 1G4 -> 3H6 and 1G4 -> 3F4 transitions of Tm^(3+) ions respectively, were simultaneously observed at room temperature. The possible upconversion mechanisms are evaluated. The intense blue upconversion luminescence of Tm^(3+)/Yb^(3+) co-doped oxyfluoride tellurite glass can be used as potential host material for the development of blue upconversion optical devices. |
Identificador | |
Idioma(s) |
英语 |
Fonte |
徐时清;马红萍;Dawei Fang;Zaixuan Zhang;胡丽丽;姜中宏.,Chin. Opt. Lett.,2005,3(9):536-538 |
Palavras-Chave | #160.4670 #optical materials #160.4760 #optical properties #160.2750 #glass and other amorphous materials #160.2540 #fluorescent and luminescent materials |
Tipo |
期刊论文 |