Near-infrared spectroscopic properties and Judd-Ofelt theory analysis of Er3+/Yb3+ co-doped fluoride particles

被引：0

作者：

Liu, Fangchao ^{[1
,2
]}

Liu, Tiegen ^{[1
,2
]}

Guo, Honglong ^{[1
,2
]}

Han, Qun ^{[1
,2
]}

机构：

[1] School of Precision Instruments and Optoelectronic Engineering, Tianjin University, Tianjin,300072, China

[2] Key Laboratory of Opto-Electronics Information Technology of the Ministry of Education, Tianjin University, Tianjin,300072, China

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2014年 / 41卷 / 10期

关键词：

Electromagnetic wave absorption - Absorption spectroscopy - Positive ions - Spectroscopic analysis - Judd-Ofelt theory - Energy transfer - Fluorine compounds - Infrared devices;

D O I：

10.3788/CJL201441.1006002

中图分类号：

学科分类号：

摘要：

Er3+/Yb3+ ion co-doped fluoride particles are synthesized and analyzed by their absorption spectra. The influence of the substances, the calcination temperature, and the doping ratio of Er3+ and Yb3+ on the absorption of the synthesized materials are studied. By analyzing the spectra of the samples with the Judd-Ofelt (J-O) theory, the intensity parameters are obtained as Ω2=9.9887, Ω4=2.7333, Ω6=0.4868, respectively. The results show that the phonon assisted transition probability and the energy transfer efficiency increases after heat treatment of the samples. The best doping ratio of Er3+ and Yb3+ is 1:6. Analysis based on the Judd-Ofelt theory shows that the synthesized fluoride particles have low phonon energy and good absorption property in the near-infrared region after doping with Er3+ and Yb3+ ions. It can be used as a kind of good materials for near-infrared upconversion.

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