| Upconversion luminescence of Tm^3＋/Yb^3＋ codoped oxyfluoride glasses |
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| 引用本文： | 段忠超,张军杰,何冬兵,戴世勋,胡丽丽. Upconversion luminescence of Tm^3＋/Yb^3＋ codoped oxyfluoride glasses[J]. 中国物理, 2006, 15(1): 209-212 |
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| 作者姓名： | 段忠超 张军杰 何冬兵 戴世勋 胡丽丽 |
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| 作者单位： | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China |
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| 基金项目： | Project supported by the Shanghai ``Post-Qi-Ming-Xing plan' for Young Scientists, China (Grant No04QMX1448) and the National Natural Science Foundation of China (Grant No 60207006). |
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| 摘 要： | Novel oxyfluoride glasses are developed with the composition of 30SiO2-15Al2O3-28PbF2-22CdF2-0.1TmF3 - xYbF3 - （4.9 - x） AlF3（x=0, 0.5, 1.0, 1.5, 2.0） in tool fraction, Furthermore, the upconversion luminescence characteristics under a 970nm excitation are investigated. Intense blue, red and near infrared luminescences peaked at 453nm, 476nm, 647nm and 789nm, which correspond to the transitions of Tm^3＋： ^1D2 →^3F4, ^1G4 →^3H6, ^1G4 →^3F4, and ^3H4 →^3H6, respectively, are observed. Due to the sensitization of Yb^3＋ ions, all the upconversion luminescence intensities are enhanced considerably with Yb^3＋ concentration increasing. The upconversion mechanisms are discussed based on the energy matching rule and quadratic dependence on excitation power. The results indicate that the dominant mechanism is the excited state absorption for those upconversion emissions.
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| 关 键 词： | Tm^3＋/yb^3＋双掺杂 氟氧化物玻璃 发光特性 激发功率 半导体技术 |
| 收稿时间： | 2005-03-10 |
| 修稿时间： | 2005-09-02 |
Upconversion luminescence of Tm3+/Yb3+codoped oxyfluoride glasses |
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| Duan Zhong-Chao,Zhang Jun-Jie,He Dong-Bing,Dai Shi-Xun and Hu Li-Li. Upconversion luminescence of Tm3+/Yb3+codoped oxyfluoride glasses[J]. Chinese Physics, 2006, 15(1): 209-212 |
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| Authors: | Duan Zhong-Chao Zhang Jun-Jie He Dong-Bing Dai Shi-Xun Hu Li-Li |
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| Affiliation: | Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | Novel oxyfluoride glasses are developed with the composition of 30SiO2,-15Al2,O3,-28PbF2,-22CdF2,-0.1TmF3,-xYbF3,-(4.9-x) AlF3,(x=0, 0.5, 1.0, 1.5, 2.0) in mol fraction. Furthermore, the upconversion luminescence characteristics under a 970nm excitation are investigated. Intense blue, red and near infrared luminescences peaked at 453nm, 476nm, 647nm and 789nm, which correspond tothe transitions of Tm3,: 1,D2, to 3F4,,1G4 to 3H6, 1G4 to 3F4, and 3H4 to 3H6, respectively, are observed. Due to the sensitization of Yb3+ ions, all the upconversion luminescence intensities are enhanced considerably with Yb3+ concentration increasing. The upconversion mechanisms are discussed based on the energy matching rule and quadratic dependence on excitation power. The results indicate that the dominant mechanism is the excited state absorption for those upconversion emissions. |
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| Keywords: | upconversion luminescence Tm3+/Yb3+ codoped oxyfluoride glass |
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