Intense 2.7 μm emission of Er3+-doped water-free fluorotellurite glasses

被引：58
|
作者：
Zhan, Huan [1 ,2 ]
Zhou, Zhiguang [1 ]
He, Jianli [1 ,2 ]
Lin, Aoxiang [1 ]
机构：
[1] Chinese Acad Sci, XIOPM, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
来源：
OPTICS LETTERS | 2012年 / 37卷 / 16期
基金：
中国国家自然科学基金;
关键词：
SPECTROSCOPIC PROPERTIES; FLUORIDE GLASS; DIODE; FIBER; ER3+; IONS;
D O I：
10.1364/OL.37.003408
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
By physical and chemical dehydration techniques, a group of Er3+-doped water-free fluorotellurite glasses with a composition of 60TeO(2)-30ZnF(2)-10NaF(TZNF60, mol%) + xEr(2)O(3)(wt%; x = 0 similar to 1.5) were fabricated. Under 978 nm excitation, the I-4(11/2) -> I-4(13/2) emission of Er3+ ions in TZNF60-glass was investigated: tau(f) is of 1.07 similar to 1.93 ms and emission bandwidth is about 163 nm at 2.71 mu m, which benefits from the absence of OH groups and the decreased phonon energy with the addition of fluorides. In contrast, 1.25Er-TZNF60 glass is proposed to be a promising material for mid-infrared fiber lasers at around 2.7 mu m. (c) 2012 Optical Society of America
引用
收藏
页码：3408 / 3410
页数：3
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