Upconversion luminescence in tellurite glass codoped with Yb3+/Ho3+ ions

被引：7
|
作者：
Dorosz, Dominik [1 ]
Zmojda, Jacek [1 ]
Kochanowicz, Marcin [1 ]
Mazerski, Wojciech [1 ]
机构：
[1] Bialystok Tech Univ, Dept Optoelect & Lighting Technol, Bialystok, Poland
来源：
PHOTONICS APPLICATIONS IN ASTRONOMY, COMMUNICATIONS, INDUSTRY, AND HIGH-ENERGY PHYSICS EXPERIMENTS 2013 | 2013年 / 8903卷
关键词：
upconversion luminescence; tellurite glass; Yb3+/Ho3+; energy transfer; ENERGY-TRANSFER;
D O I：
10.1117/12.2031857
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The optical properties of Yb3+/Ho3+ - codoped tellurite glass has been investigated. Upconversion luminescence at the wavelengths of 545 nm (S-5(2) (F-5(4)) -> I-5(8)) and 654 nm (F-5(5) -> I-5(8)) in holmium was obtained as a result of energy transfer between Yb3+ and Ho3+ ions. The optimization of the activator content and the concentration ratio were conducted with the purpose of maximizing the efficiency of energy transfer. Mechanism and energy diagram involved in observed emission were discussed. The highest upconversion emission intensity was obtained in the tellurite glass codoped with 0.5Yb(2)O(3)/0.1Ho(2)O(3) molar ratio.
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页数：6
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