Study of broadband near-infrared emission in Tm3+-Er3+ codoped TeO2-WO3-PbO glasses

被引：52
作者：
Balda, R. [1 ,2 ,3 ]
Fernandez, J. [1 ,2 ,3 ]
Fernandez-Navarro, J. M. [4 ]
机构：
[1] Escuela Super Ingn, Dept Fis Aplicada 1, Bilbao 48013, Spain
[2] Univ Basque Country, CSIC, Unidad Fis Mat, San Sebastian 20080, Spain
[3] Donostia Int Phys Ctr, San Sebastian 20080, Spain
[4] CSIC, Inst Opt, E-28006 Madrid, Spain
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 11期
关键词：
UP-CONVERSION FLUORESCENCES; ENERGY-TRANSFER; TELLURITE GLASS; FIBER; IONS; TM3+; ER3+;
D O I：
10.1364/OE.17.008781
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, we report the near-infrared emission properties of Tm3+-Er3+ codoped tellurite TeO2-WO3-PbO glasses under 794 nm excitation. A broad emission from 1350 to 1750 nm corresponding to the Tm3+ and Er3+ emissions is observed. The full width at half-maximum of this broadband increases with increasing [Tm]/[Er] concentration ratio up to a value of similar to 160 nm. The energy transfer between Tm3+ and Er3+ ions is evidenced by both the temporal behavior of the near-infrared luminescence and the effect of Tm3+ codoping on the visible upconversion of Er3+ ions. (c) 2009 Optical Society of America
引用
收藏
页码：8781 / 8788
页数：8
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