Upconversion luminescence in Yb3+-doped yttrium aluminum garnets

被引：24

作者：

Xu, XD

Zhao, ZW

Song, PX

Jiang, BX

Zhou, GQ

Xu, J

Deng, PZ

Bourdet, G

Chanteloup, JC

Zou, JP

Fulop, A

机构：

[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Crystal Ctr, Shanghai 201800, Peoples R China

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

[3] Univ Paris 06, Ecole Polytech, Lab Utilisat Lasers Intenses, CNRS CEA UMR7605, F-91128 Palaiseau, France

来源：

PHYSICA B-CONDENSED MATTER | 2005年 / 357卷 / 3-4期

关键词：

cooperative luminescence; energy transfer; Yb : YAG;

D O I：

10.1016/j.physb.2004.11.088

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

In this paper, we present results on upconversion luminescence performed on Yb3+-doped yttrium aluminum garnets under 940 nm excitation. The upconversion luminescence was ascribed to Yb3+ cooperative luminescence and the presence of rare earth impurity ions. The cooperative luminescence spectra as a function of Yb concentration were measured and the emission intensity variation with Yb concentration was discussed. Yb3+ energy migration quenched the cooperative luminescence of Yb:YAG crystals with doping level over 15 at%. (c) 2004 Elsevier B.V. All rights reserved.

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页码：365 / 369

页数：5

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