UV and visible upconversion luminescence in Er3+:YAG under red laser excitation

UV and visible upconversion luminescence in Er3+:YAG under red laser excitation
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DOI：
10.1088/1009-1963/16/6/027
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发表时间：
2007-06
期刊：
Chinese Physics
影响因子：
--
通讯作者：
Hai-Gui Yang;Zhen-Wen Dai;Ning-Ning Zu-Ning
Hai-Gui Yang;Zhen-Wen Dai;Ning-Ning Zu-Ning
中科院分区：
其他
文献类型：
--
作者：
Hai-Gui Yang;Zhen-Wen Dai;Ning-Ning Zu-Ning

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本文报道在Er3+:YAG中，在4F9/2的647.2 nm激发下，观察到4S3/2、2G9/2和2P3/2能级的紫外和可见光上转换发光。记录了上转换发光强度与泵浦功率的关系。用动力学理论对实测的衰减曲线进行了拟合，得到了基本一致的结果。结果表明，为解释观测到的上转换现象而提出的一些能量传递过程是合理的。
This paper reports that the ultraviolet and visible upconversion luminescence from the 4S3/2, 2G9/2 and 2P3/2 levels have been observed in Er3+:YAG following 647.2 nm excitation of the 4F9/2 multiple. Upconversion luminescence intensity dependence on pump power was recorded. The measured decay profiles were theoretically fitted by kinetics theory and the basically good agreements were achieved. The results indicate that some energy transfer processes proposed to explain the observed upconversion phenomena are reasonable.