Broadband near infrared emission of Er3+/Yb3+ co-doped fluorotellurite glass

被引：34
作者：
Liu, Jiaming [1 ]
Huang, Xin [1 ]
Pan, Heng [1 ]
Zhang, Xu [1 ]
Fang, Xiujie [1 ]
Li, Wenxiu [1 ]
Zhang, Hao [1 ,3 ]
Huang, Anping [1 ]
Xiao, Zhisong [1 ,2 ]
机构：
[1] Beihang Univ, Sch Phys, Minist Educ, Key Lab Micronano Measurement Manipulat & Phys, Beijing 100191, Peoples R China
[2] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China
[3] Beihang Univ, Inst Frontier Sci & Technol Innovat, Beijing 100191, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 866卷
基金：
中国国家自然科学基金;
关键词：
Broadband; Infrared emission; Er3+/Yb3+ co-doped; Fluorotellurite glass; JUDD-OFELT ANALYSIS; SPECTROSCOPIC PROPERTIES; TELLURITE GLASSES; OPTICAL-PROPERTIES; THERMAL-STABILITY; UP-CONVERSION; ABSORPTION INTENSITIES; ER3+; SPECTRA; ERBIUM;
D O I：
10.1016/j.jallcom.2020.158568
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：
TeO2-AlF3-NaF-BaF2-LaF3 glasses containing both Er3+ and Yb3+ were prepared by conventional quenching melt method. Differential scanning calorimeter (DSC) curve displays good thermal stability with glass transition temperature larger than 426.38 degrees C. Urbach energy was found to be 0.05 eV indicating few defects in prepared glass and its high homogeneity. Based on optical absorption spectra, important spectroscopic parameters are investigated to predict the potential luminescent properties in near-infrared band. Intense Er3+ emission around 1.53 mu m corresponding to the transition of I-4(13/2) -> I-4(15/2) upon 980 nm excitation. Effective bandwidth (Delta lambda(eff)) over 100 nm after introducing 4 mol% amount of ErF3 implies that Er3+/Yb3+ co-doped those glasses possesses excellent broadband luminescent property around 1.53 mu m. (C) 2021 Elsevier B.V. All rights reserved.
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页数：8
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