Up-conversion characteristics of Er3+ in transparent oxyfluoride glass-ceramics

被引:81
作者
Takahashi, M [1 ]
Izuki, M
Kanno, R
Kawamoto, Y
机构
[1] Kobe Univ, Venture Business Lab, Nada Ku, Kobe, Hyogo 657, Japan
[2] Kobe Univ, Fac Sci, Dept Chem, Nada Ku, Kobe, Hyogo 657, Japan
关键词
D O I
10.1063/1.367140
中图分类号
O59 [应用物理学];
学科分类号
摘要
Up-conversion characteristics of Er3+ under 800 nm excitation are clarified for 30SiO(2) . 15AlO(1.5). 28PbF(2) . 22CdF(2) .(5-x)GdF3 . xErF(3) (x=0.3-5) transparent glass-ceramics, which are composed of fluoride nanocrystals and oxide glass matrices. Strong up-conversion emissions at around 525, 550, and 660 nm, and weak up-conversion emissions at around 410, 450, and 490 nm are observed. The intensities of up-conversion emissions at around 550 and 660 nm change remarkably with ErF3 contents from 1 mol % to 5 mol %: emission at 550 nm decreases and one at 660 nm increases with increasing ErF3 content. These features can be explained by Er3+ up-conversion mechanisms which were proposed for ZrF4-based glasses. (C) 1998 American Institute of Physics. [S0021-8979(98)06107-6].
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页码:3920 / 3922
页数:3
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