Efficiency improvement of upeconversion luminescence of Yb3+/Tm3+ co-doped tellurite glass microsphere

被引：13

作者：

Huang, Yantang ^{[1
,2
]}

Zhuang, Shijian ^{[2
]}

Peng, Longxiang ^{[2
]}

Wu, Jinshu ^{[2
]}

Liao, Tingdi ^{[1
]}

Xu, Canhua ^{[2
]}

Duan, Yafang ^{[1
]}

机构：

[1] Quanzhou Normal Univ, Res Ctr Photon Technol, Quanzhou 362000, Peoples R China

[2] Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350116, Fujian, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 748卷

基金：

中国国家自然科学基金;

关键词：

Upconversion luminescence; Yb3+/Tm3+co-doped; Tellurite glass; Resonance enhancement; Whispering gallery mode; UP-CONVERSION LUMINESCENCE; ENERGY-TRANSFER; LASER; EMISSION; FIBER; ER3+; TM3+/YB3+; BLUE; NIR; NONLINEARITY;

D O I：

10.1016/j.jallcom.2018.03.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Three potential techniques, i.e. the optical taper fibere-microsphere device(OFMD), employment of the low phonon energy tellurite glass and the optimal concentration of rare-earth ions are investigated and identified for improving the efficiency of up-conversion (UC) luminescence for rare-earth ion doped materials excited by laser. The tellurite glass with composition of 77TeO(2)-12Na(2)O-5ZnO-5La(2)O(3) was synthesized with different Yb3+/Tm3+ co-doped concentration. The OFMD with high efficiency coupling and high energy density whispering gallery mode (WGM) was constructed. By the excitation of 976 nm laser, the WGM resonance enhancement UC blue (475 nm) and red (648 nm) light were obtained. The WGM resonance enhancement UC luminescence mechanism, the rare-earth ions energy transfer mechanism and the optimal Tm3+ concentration were investigated. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：93 / 99

页数：7

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