Dopant occupancy and optical properties of Er3+ in Er/Zn-codoped lithium niobate crystal

被引：7
作者：
Qian, Yannan [1 ]
Wang, Rui [1 ]
Xing, Lili [1 ]
Xu, Yanling [1 ]
Yang, Chunhui [1 ]
机构：
[1] Harbin Inst Technol, Dept Chem, Harbin 150001, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2012年 / 285卷 / 13-14期
基金：
黑龙江省自然科学基金; 中国国家自然科学基金;
关键词：
1.54 mu m emission; Zn2+; Dopant occupancy; LINBO3; SITE;
D O I：
10.1016/j.optcom.2012.02.066
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The effect of Zn2+ ion on the dopant occupancy and optical characteristic of Er3+ ion in Er/Zn-codoped LiNbO3 crystal is reported. The intense 1.54 mu m and relatively weak green upconversion emissions are observed for Er (1 mol%)/Zn (6 mol%):LiNbO3 crystal. The OH- absorption and the time-resolved spectra show that the Zn2+ codoping decreases the threshold concentration of Er3+ ion in Er/Zn-codoped LiNbO3 crystal. The experimental results here imply that the potential application of Er3+-doped LiNbO3 crystal can be designed and optimized on the basis of the theoretical investigations. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：2986 / 2989
页数：4
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