Enhanced photoluminescence and initial red laser operation in Pr:CaF2 crystal via co-doping Gd3+ ions

被引：40

作者：

Yu, Hao ^{[1
,4
]}

Jiang, Dapeng ^{[1
]}

Tang, Fei ^{[1
]}

Su, Liangbi ^{[1
]}

Luo, Saiyu ^{[2
]}

Yan, Xigun ^{[2
]}

Xu, Bin ^{[2
]}

Cai, Zhiping ^{[2
]}

Wang, Jingya ^{[1
]}

Ju, Qiangwen ^{[1
]}

Xu, Jun ^{[3
]}

机构：

[1] Chinese Acad Sci, Synthet Single Crystal Res Ctr, Shanghai Inst Ceram, 588 Heshuo Rd, Shanghai 201899, Peoples R China

[2] Xiamen Univ, Dept Elect Engn, Xiamen 361005, Peoples R China

[3] Tongji Univ, Sch Phys Sci & Engn, Inst Adv Study, Shanghai 200092, Peoples R China

[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

MATERIALS LETTERS | 2017年 / 206卷

基金：

中国国家自然科学基金;

关键词：

Optical materials and properties; Luminescence; Laser processing; VISIBLE LASER; DIODE;

D O I：

10.1016/j.matlet.2017.07.019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spectroscopic properties of the Pr-doped CaF2 crystals are investigated. The photoluminescence intensity in the visible region is drastically enhanced by co-doping Gd3+ ions in Pr:CaF2 crystal. Furthermore, relative emission intensities of the 484 nm, 598 nm and 642 nm emission lines are greatly improved. Continuous-wave laser oscillation of Pr, Gd:CaF2 crystal at 642 nm is realized at room temperature, for the first time to our knowledge. The highest output power of 22.2 mW is achieved with a slope efficiency of 7.5%. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：140 / 142

页数：3

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