Bandwidth broadening of near-infrared emission through nanocrystallization in Bi/Ni co-doped glass

被引：34

作者：

Zhang, Ke ^{[1
,2
]}

Zhou, Shifeng ^{[1
,3
]}

Zhuang, Yixi ^{[1
]}

Yang, Rong ^{[1
]}

Qiu, Jianrong ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab High Power Laser Mat, Shanghai 201800, Peoples R China

[3] Zhejiang Univ, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 08期

关键词：

ENERGY-TRANSFER; SILICA GLASS; BISMUTH; LUMINESCENCE; FIBER;

D O I：

10.1364/OE.20.008675

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrated an effective way to broaden the bandwidth of near-infrared (NIR) emission from Bi/Ni codoped 58SiO(2)-21ZnO-13Al(2)O(3)-5TiO(2)-3Ga(2)O(3) glass through nanocrystallization. The nanocrystallized glass shows ultra-wide NIR luminescence with a full width at half maximum (FWHM) of 350 nm and long lifetime up to 476 mu s. The observed broadband NIR emission, attributed to energy transfer suppression between Ni and Bi active centers, was realized by a separation process with Ni2+ ions selectively incorporated into nanocrystals. This bandwidth engineering through nanocrystallization inside glass suggests a promising approach for enhancement of glass functionality and construction of broadband light sources. (C) 2012 Optical Society of America

引用

页码：8675 / 8680

页数：6

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