Visible-to-ultraviolet upconversion in Pr3+:Y2SiO5 crystals

被引：59
作者：
Hu, Changhong
Sun, Chenglin
Li, Jianfu
Li, Zhongshan
Zhang, Hanzhuang
Jiang, Zhankui [1 ]
机构：
[1] Jilin Univ, Dept Phys, Changchun 130023, Peoples R China
[2] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China
[3] Lund Inst Technol, Div Combust Phys, S-22100 Lund, Sweden
来源：
CHEMICAL PHYSICS | 2006年 / 325卷 / 02期
基金：
中国国家自然科学基金;
关键词：
ultraviolet upconversion; Pr (3+): Y2SiO5 crystals;
D O I：
10.1016/j.chemphys.2006.01.037
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The visible-to-ultraviolet upconversion in Pr3+:Y2SiO5 crystals have been investigated at room temperature for three different Pr3+ ion concentrations. The upconverted luminescence bands at the UV region from 270 to 350 nm were obtained with visible laser excitation. The upconversion mechanism was studied by observing the absorption and excitation spectra, the dependence of upconverted luminescence on pump power, and the decay profiles of the upconverted luminescence. It was found that the upconverted luminescence was produced by excited-state-absorption process using the P-3(J) and I-1(6) as intermediate states. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：563 / 566
页数：4
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