Enhanced 2.86 μm emission of Ho3+,Pr3+ - codoped LaF3 single crystal

被引：18
|
作者：
Hong, Jiaqi [1 ,2 ]
Zhang, Lianhan [1 ]
Hang, Yin [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
OPTICAL MATERIALS EXPRESS | 2017年 / 7卷 / 05期
基金：
中国国家自然科学基金;
关键词：
FIBER LASER; HO-YALO3; STATE; IONS;
D O I：
10.1364/OME.7.001509
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel Ho3+, Pr3+-codoped LaF3 mid-IR laser crystal was successfully grown and analyzed. Enhanced emission at similar to 2.86 mu m was observed for the first time. The effect of Pr3+ co-doping on the similar to 2.86 mu m photoluminescence of Ho3+ was investigated. Compared with Ho3+ singly-doped LaF3 crystal, the Ho3+, Pr3+-codoped LaF3 crystal possessed stronger emission intensities at similar to 2.86 mu m. It was also found that the energy transfer efficiency of Ho3+: I-5(7) -> Pr3+: F-3(2) (71%) is much greater than that of Ho3+: I-5(6) -> Pr3+: F-3(4) (28%), which almost restrained the self-termination problem in this Ho3+:Pr3+:LaF3 crystal. All the results indicated that Ho:Pr:LaF3 crystal is an attractive laser medium for similar to 2.86 mu m laser applications. (C) 2017 Optical Society of America.
引用
收藏
页码：1509 / 1513
页数：5
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