Red upconversion emission in LiNbO3 codoped with Er3+ and Eu3+

被引：22

作者：

Li, Ai-Hua ^{[1
]}

Zheng, Zhi-Ren ^{[1
]}

Lue, Tian-Quan ^{[1
]}

Lue, Qiang ^{[2
]}

Liu, Wei-Long ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Phys, Ctr Condensed Matter Sci & Technol, Harbin 150001, Peoples R China

[2] Mudanjiang Med Coll, Ctr Electron Microscope Technol, Mudanjiang 157011, Peoples R China

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ENERGY-TRANSFER; SPECTROSCOPIC ANALYSIS; SOLID-STATE; LASER; IONS; GLASS; RADIATION; MECHANISM; BLUE; NM;

D O I：

10.1364/OE.17.003878

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Red upconversion (UC) emission at 626 nm is obtained from a LiNbO3 crystal codoped with Er3+ and Eu3+ under 800 nm femtosecond laser excitation. Energy transfer from (H-2(11/2), S-4(3/2)) levels of Er3+, which are excited by excited state absorptions, to D-5(1) of Eu3+ followed by cascade to D-5(0) nonradiatively leads to this red UC emission. The energy transfer efficiency of similar to 30% is obtained in LiNbO3:Er3+(1.0 mol%), Eu3+(0.1 mol%). These initial experimental results indicate that the red UC emission can be obtained from Er3+/Eu3+ codoped system under diode laser excitation. (C) 2009 Optical Society of America

引用

页码：3878 / 3883

页数：6

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