Effects of WO3 on optical properties of Er3+-doped tungsten-tellurite glasses

被引:2
作者
Jia Xiang-Hua [2 ]
Lue Shu-Chen [1 ]
Sun Jiang-Ting [1 ]
Peng Hong-Yan [2 ]
Zhang Mei-Heng [2 ]
机构
[1] Harbin Normal Univ, Dept Phys, Harbin 150080, Peoples R China
[2] Mudanjiang Teachers Coll, Key Lab Superhand Mat, Mudanjiang 157012, Peoples R China
关键词
tungsten-tellurite glasses; Er3+ spectroscopic properties; Judd-Ofelt theory;
D O I
10.7498/aps.57.5978
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Tungsten-tellurite glasses with the molar compositions of (60 + x)TeO2-(30 - x)WO3-8BaO-2Na(29)O-0.5Er(2)O(3) (x = 0,5, 10, 15, 20) have been prepared. Effects of WO3 on optical properties of Er3+ -doped tungsten-tellurite glasses have been discussed. Along with the WO3 content increasing, Omega(2) and Omega(6) first increase and then decrease, and the stimulated emission cross-section also behaves in like manner, while Omega(4) changes contrarily. According to the McCumber theory, the maximum peak of sigma(e) is calculate to be 1.00 X 10(-21) cm(2) at 1.55 mu m. The maximum FWHM of Er3+4 I-13/2 -> I-4(15/2) emission spectrum is 82 nm. In addition, the intensity of upconversion luminescence of the EP3+ -doped tungsten-tellurite glasses decreases rapidly with the increasing Of WO3 content.
引用
收藏
页码:5978 / 5982
页数:5
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