Enhanced 2-5 μm emission in Ho3+/Yb3+ codoped halide modified transparent tellurite glasses

被引：27
作者：
Zhang, Wenjun [1 ]
Lin, Jian [1 ]
Jia, Yujie [1 ]
Zhang, Shuo [1 ]
Zhao, Junhong [1 ]
Sun, Guangyao [3 ]
Ye, Song [1 ]
Ren, Junjiang [2 ]
Rong, Liang [2 ]
机构：
[1] Tongji Univ, Sch Mat Sci & Engn, Shanghai 201804, Peoples R China
[2] China Elect Technol Corp Grp, Res Inst 23, Shanghai 200437, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2015年 / 134卷
关键词：
Oxyhalide tellurite glass; Ho3+/Yb3+; Judd-Ofelt; 2-5 mu m; Energy transfer; ENERGY-TRANSFER; SPECTROSCOPIC PROPERTIES; OPTICAL-PROPERTIES; UP-CONVERSION; MULTIPHONON RELAXATION; HO3+ IONS; TM3+; CERAMICS; FIBER; INTENSITIES;
D O I：
10.1016/j.saa.2014.06.010
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Ho3+/Yb3+ codoped TeO2-WO3-ZnO-ZnX2(X = F, Cl) glasses were prepared by melt-quenching method. The absorption spectra, transmittance spectra, X-ray diffraction (XRD) curves, Raman spectra and mid-infrared fluorescence spectra were measured, along with the Judd-Ofelt intensity parameters, stimulated emission and absorption cross-sections were calculated to evaluate the effects of halide amount of the spectroscopic properties. It is shown that the introduction of an appropriate amount of halide can further improve the mid-infrared fluorescence intensity through an enhanced phonon-assisted energy transfer between Ho3+/Yb3+ ions and the energy transfer mechanisms are investigated quantitatively in detail by calculating energy transfer microparameters and phonon contribution ratios. The results indicate that this kind of glasses is a promising material for mid-infrared optical fiber. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：388 / 398
页数：11
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