兴奋剂
材料科学
镱
荧光
吸收(声学)
分析化学(期刊)
吸收光谱法
衰减系数
谱线
光学
光电子学
化学
物理
色谱法
天文
复合材料
作者
Xiaodan Wang,Zhao Zhiwei,XU Xiao-dong,Pingxin Song,Benxue Jiang,Xu Jun,Peizhen Deng
出处
期刊:Chinese Physics
[Science Press]
日期:2006-01-01
卷期号:55 (8): 4358-4358
被引量:1
摘要
Yb:Y3Al5O12(Yb:YAG) single crystals with Yb3+ doping level of 5.4at%, 16.3at%, 27.1at%, 53.6at%, and 100at% were grown by the Czochralski method. The effects of different Yb3+ doping level on the absorption spectra and fluorescence spectra were studied. The results showed that the real absorption coefficient of the absorption peaks increases linearly with the increasing of Yb3+ doping level in Yb:YAG crystals. Absorption band oscillator strengths of Yb:YAG crystals were calculated with Smakula formula and the effects of different Yb3+ doping level on the oscillator strengths were also studied. The concentration quenching of fluorescence was observed when the Yb3+ doping level reached 27.1at% in Yb:YAG crystals. The shape of fluorescence spectra of Yb:YAG could be significantly influenced when the Yb3+ doping level is higher than 53.6at%.
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