Enhanced 2.7 μm emission from diode-pumped Er3+/Pr3+ co-doped LiYF4 single crystal grown by Bridgman method

被引：16
|
作者：
Hu, Jianxu [1 ]
Xia, Haiping [1 ]
Hu, Haoyang [1 ]
Zhuang, Xiaobo [1 ]
Zhang, Yuepin [1 ]
Jiang, Haochuan [2 ]
Chen, Baojiu [3 ]
机构：
[1] Ningbo Univ, Key Lab Photoelect Mat, Ningbo 315211, Zhejiang, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315211, Zhejiang, Peoples R China
[3] Dalian Maritime Univ, Dept Phys, Dalian 116026, Liaoning Provin, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2013年 / 48卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Optical properties; Crystal growth; Luminescence; ENERGY-TRANSFER; LASER; ER3+; TM; PROFILES;
D O I：
10.1016/j.materresbull.2013.03.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we report the Bridgman growth of a Er3+/Pr3+ co-doped LiYF4 single crystal with a size of similar to Phi 12 mm x 140 mm and the observation of enhanced 2.7 mu m mid-IR emission of the crystal. The emission characteristics and energy transfer of various parts of crystal upon excitation of a 980 nm laser diode are investigated. Population inversions between I-1(3/2) and I-4(11/2) levels have been achieved. The energy transfer processes are studied based on the I-H model, and the interaction between Er3+ and Pr3+ is confirmed to be electric dipole-dipole. The large energy transfer efficiency of 82.99% and excellent optical transmission indicate that this Er3+/Pr3+ co-doped LiYF4 single crystal has potential applications in 2.7 mu m laser. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2604 / 2608
页数：5
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