Frequency upconversion in Er3+-doped alkali lanthanum gallate glasses

被引：0
|
作者：
Man Shiqing [1 ]
Xiao Guina [1 ]
Lei Xinxian [1 ]
Li Lin [1 ]
Bao Lei [1 ]
机构：
[1] Jinan Univ, Dept Phys, Guangzhou 510632, Guangdong, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2007年 / 25卷
关键词：
upconversion; fluorescence; glasses; rare earths;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Frequency upconversion of Er3+ in alkali lanthanum gallate glasses (Na2O-La2O3-Ga2O3 or NLG) was investigated. Visible emissions at 532, 546, and 660 nm corresponding to the H-2(11/2) -> I-4(15/2), S-4(3/2)-> I-4(15/2), and F-4(9/2)-> I-4(15/2) transitions were observed under continuous wave excitation at 980 nm. The quadratic pump power dependence of these emissions indicated a two photon upconversion process. At a pump intensity of 52 W center dot cm(-2) at 980 nm, frequency upconversion efficiencies of 1.1 x 10(-2) and 2.7 x 10(-3) were obtained for green and red emissions, respectively.
引用
收藏
页码：318 / 320
页数：3
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