Broadband conversion of visible light to near-infrared emission by Ce3+, Yb3+-codoped yttrium aluminum garnet

被引：114

作者：

Liu, Xiaofeng ^{[2
,3
]}

Teng, Yu ^{[1
]}

Zhuang, Yixi ^{[1
]}

Xie, Junhua ^{[1
]}

Qiao, Yanbo ^{[2
,3
]}

Dong, Guoping ^{[2
,3
]}

Chen, Danping ^{[2
]}

Qiu, Jianrong ^{[1
]}

机构：

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

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

[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

OPTICS LETTERS | 2009年 / 34卷 / 22期

关键词：

DOWN-CONVERSION;

D O I：

10.1364/OL.34.003565

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that Ce3+ can be an efficient sensitizer for Yb3+ in the host lattice of yttrium aluminum garnet (YAG). With blue-light excitation to induce the 4f --> 5d transition of Ce3+, characteristic near-IR emission of Yb3+ due to transition of F-2(5/2) --> F-2(7/2) peaking at 1030 nm is generated as a result of energy transfer from Ce3+ to Yb3+. The result of spectral evolution with temperature indicates that the efficiency of energy transfer is enhanced owing to thermal effect. This evidence implies that the phonon-assisted process participates in the downconversion of YAG:Ce3+, Yb3+. (C) 2009 Optical Society of America

引用

页码：3565 / 3567

页数：3

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