Optical transition probability of Er3+ ions in Er3+/Yb3+ codoped Ca3Ln2(BO3)4 (Ln=Y, Gd, La) crystals

被引：16
|
作者：
Wei, B.
Zhang, L. Z.
Lin, Z. B.
Wang, G. F. [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China
[2] Changsu Inst Technol, Dept Chem & Mat Engn, Jiangsu 215500, Peoples R China
来源：
MATERIALS RESEARCH INNOVATIONS | 2007年 / 11卷 / 03期
关键词：
Er3+/Yb3+: Ca3Y2(BO3)(4) crystal; spectroscopic parameters; Judd-Ofelt theory; solid state laser materials;
D O I：
10.1179/143307507X225605
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper reports on the spectral parameters of Er3+ in Er3+/ Yb3+: Ca3Y2(BO3)(4), Er3+/ Yb3+: Ca3Gd2(BO3)(4) and Er3+/ Yb3+: Ca3La2(BO3)(4) crystals. The results show that the oscillator strength parameters Omega(t), fluorescence quantum efficiency and emission cross-sections of Er3+/ Yb3+: Ca(3)Ln(2)(BO3)(4) ( Ln=Y, Gd, La) crystals are larger than those of Er3+: Ca(3)Ln(2)(BO3)(4) (Ln=Y, Gd, La) crystals, and the codoped Er3+/ Yb3+ can enhance the optical transition probability of Er 3z in the crystals and improve the fluorescence quantum efficiency and emission cross section of the (4)/(13/2) -> (4)/(15/2) transition of Er3+ in Er3+/ Yb3+: Ca(3)Ln(2)(BO3)(4) ( Ln=Y, Gd, La) crystals.
引用
收藏
页码：154 / 157
页数：4
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