| Spectroscopic properties of Yb~(3+)-doped TeO_2–BaO–BaF_2–Nb_2O_5-based oxyfluoride tellurite glasses |
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| 引用本文： | 林社宝,王鹏飞,佘江波,郭海涛,许慎诺,于成龙,刘春晓,彭波.Spectroscopic properties of Yb~(3+)-doped TeO_2–BaO–BaF_2–Nb_2O_5-based oxyfluoride tellurite glasses[J].中国物理 B,2014(9):478-481. |
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| 作者姓名： | 林社宝 王鹏飞 佘江波 郭海涛 许慎诺 于成龙 刘春晓 彭波 |
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| 作者单位： | State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences;University of Chinese Academy of Sciences;School of Materials Science and Engineering,Shaanxi University of Science & Technology;School of Electronic and Information Engineering,Hefei Normal University;Key Laboratory for Organic Electronics & Information Displays,Institute of Advanced Materials (IAM),Nanjing University of Posts & Telecommunications |
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| 基金项目： | supported by the National Natural Science Foundation of China(Grant Nos.61177086,61307046,and 61308086);the West Light Foundation of the Chinese Academy of Sciences(Grant No.Y129261213) |
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| 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.
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| 关 键 词： | Yb oxyfluoride tellurite glass spectroscopic properties gain coefficient |
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