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Spectroscopic properties of Yb^3＋-doped TeO2-BaO-BaF2-Nb2O5-based oxyfluoride tellurite glasses

ISSN号：1674-1056
期刊名称：《中国物理B：英文版》
分类：TQ171.112[化学工程—玻璃工业;化学工程—硅酸盐工业] TQ171[化学工程—玻璃工业;化学工程—硅酸盐工业]
作者机构：[1]State Key Laboratory of Transient Optics and Photonics, Xi' an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi' an 710119, China, [2]University of Chinese Academy of Sciences, Beijing 100049, China, [3]School of Materials Science and Engineering, Shaanxi University of Science & Technology, Xi' an 710021, China, [4]School of Electronic and Information Engineering, Hefei Normal University, Hefei 230601, China, [5]Key Laboratory for Organic Electronics & Information Displays, Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210046, China
相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 61177086, 61307046, and 61308086） and the West Light Foundation of the Chinese Academy of Sciences （Grant No. Y 129261213）.

作者：林社宝[1,2], 王鹏飞[1], 佘江波[1], 郭海涛[1], 许慎诺[1,2], 于成龙[3], 刘春晓[4], 彭波[1,5]

关键词：氟氧化物玻璃, 碲酸盐玻璃, NB2O5, 氟化钡, 光谱特性, YB2O3, 掺碲, 荧光寿命, Yb, oxyfluoride tellurite glass, spectroscopic properties, gain coefficient

中文摘要：

A series of oxyfluoride glasses with the compositions of 75 mol% TeO2, 10 mol% Nb2O5,(15 mol%-x) BaO, x BaF2(x = 0 mol%, 5 mol%, 10 mol%, 15 mol%) doped with Yb2O3 were prepared by the melt-quenching method. Their emission cross-sections, fluorescence lifetimes, and gain properties were investigated by using the absorption spectra and the fluorescence decay curves. The results show that by substituting BaF2 for BaO, the emission cross-section decreases from 1.37 pm2 to 1.21 pm2, and the fluorescence lifetime increases from 0.71 ms to 0.96 ms. These properties indicate that this oxyfluoride tellurite glass may have potential uses as the Yb2O3-doped gain medium in a solid laser.

英文摘要：

A series of oxyfluoride glasses with the compositions of 75 mol% TeO2, 10 mol% Nb2O5, （15 mol%-x） BaO, x BaF2 （x =0 mol%, 5 mol%, 10 mol%, 15 mol%） doped with Yb2O3 were prepared by the melt-quenching method. Their emission cross-sections, fluorescence lifetimes, and gain properties were investigated by using the absorption spectra and the fluorescence decay curves. The results show that by substituting BaF2 for BaO, the emission cross-section decreases from 1.37 pm^2 to 1.21 pm^2, and the fluorescence lifetime increases from 0.71 ms to 0.96 ms. These properties indicate that this oxyfluoride tellurite glass may have potential uses as the Yb2O3-doped gain medium in a solid laser.

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