Broadband 2.9 μm emission and high energy transfer efficiency in Er3+/Dy3+ co-doped fluoroaluminate glass

被引：28
作者：
Wang, Tao [1 ]
Huang, Feifei [1 ]
Ren, Guangyu [1 ]
Cao, Wenqian [1 ]
Tian, Ying [1 ]
Lei, Ruoshan [1 ]
Zhang, Junjie [1 ]
Xu, Shiqing [1 ]
机构：
[1] China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Peoples R China
来源：
OPTICAL MATERIALS | 2018年 / 75卷
关键词：
2.9 mu m; FWHM; Er3+/Dy3+ co-doped; Fluoroaluminate glass; JUDD-OFELT ANALYSIS; SPECTROSCOPIC PROPERTIES; FIBER; DY3+; LUMINESCENCE; IONS; TM3+;
D O I：
10.1016/j.optmat.2017.12.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
2.9 mu m fluorescence properties and energy transfer mechanism in our prepared Er3+/Dy3+ co-doped fluoroaluminate glass (AYFT) have been investigated in this paper. As far as we know, it is the first time to report a broadband emission extending from 2500 to 3100 nm with a full width at half maximum (FWHM) of 270 nm obtained in Er3+/Dy3+ co-doped fluoroaluminate glass under 980 nm pump. The large spontaneous transition probability (59.46 s(-1)) calculated based on the Judd-Ofelt theory indicates the intensive Dy3+: H-6(13/2) -> H-6(15/2) transition which has happened to coincide with the emission spectra. Moreover, the high energy transfer efficiencies of Er3+: I-4(13/2) to Dy3+: H-6(11/2) (903%) and Er3+: to Dy3+: H-6(5/2) (85.1%) further confirmed the efficient population inversion of Dy3+: 2.9 gm emission. This present work suggests that Er3+/Dy3+ co-doped fluoroaluminate glass can be a potential candidate for mid-infrared broadband integrated amplifier. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：875 / 879
页数：5
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