Growth, luminescence and energy transfer studies of Pr3+, Yb3+ co-doped CaYAlO4 single crystal

被引：16

作者：

Di, Juqing ^{[1
,2
]}

Xu, Xiaodong ^{[3
]}

Xia, Changtai ^{[1
]}

Li, Dongzhen ^{[1
,2
]}

Zhou, Dahua ^{[1
,2
]}

Sai, Qinglin ^{[1
,2
]}

Wang, Lulu ^{[1
,2
]}

Xu, Jun ^{[3
]}

机构：

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

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

[3] Chinese Acad Sci, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

来源：

PHYSICA B-CONDENSED MATTER | 2013年 / 408卷

基金：

中国国家自然科学基金;

关键词：

Optical materials; Crystal growth; Optical properties; Energy transfer; UP-CONVERSION LUMINESCENCE; TELLURITE GLASSES; LASER; DOWNCONVERSION; PR3+/YB3+;

D O I：

10.1016/j.physb.2012.09.032

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Pr3+, Yb3+ co-doped CaYAlO4 (Pr, Yb: CYA) single crystal was grown using the Czochralski (CZ) method. For near-infrared quantum-cutting system, a quantum efficiency of 145% for Pr3+, Yb3+-codoped CYA crystal has been obtained by ignoring the nonradiative losses. Under excitation at 940 nm, high intensities of 502 nm, 555 nm, 628 nm, 661 nm and 729 nm emissions turn up. Fluorescence decay time of P-3(0)-> F-3(2) emission of Pr3+ ions and F-2(5/2)-> F-2(7/2) transition of Yb3+ ions were also studied as evidences for energy transfer. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1 / 5

页数：5

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