| BaFClxBr1－x:Sm2+中5D2→7F0跃迁几率及其对烧孔效率的影响 |
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| 引用本文： | 宋宏伟,张家骅.BaFClxBr1－x:Sm2+中5D2→7F0跃迁几率及其对烧孔效率的影响[J].发光学报,1994,15(3):215-220. |
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| 作者姓名： | 宋宏伟 张家骅 |
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| 作者单位： | 中国科学院长春物理研究所, 长春130021 |
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| 基金项目： | 中国科学院长在物理研究所激发态物理开放研究实验室资助 |
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| 摘 要： | 本文以BaFClxBr1－x:Sm2+中5D2→7F0的跃迁几率随x变化为中心对BaFClxBr1－x:Sm2+体系4f5d带的激发光谱、5D2→7F0跃迁的荧光衰减随温度的变化特性、5D2→7F0的跃迁几率等进行了研究。从而得出结论:在BaFClxBr1－x:Sm2+中,随Br含量的增大,4f5d带与5D2能级更加接近,使7F0→5D2的吸收截面增大,从而可能提高在5D2:能级烧孔的效率。
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| 关 键 词： | 吸收截面 跃迁几率 烧孔效率 |
| 收稿时间： | 1993-11-26 |
TRANSITION PROBABILITY OF 5D2→7F0 IN BaFClxBr1-x:Sm2+AND IT'S EFFECT TO HOLE-BURNING EFFICIENCY |
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| Song Hongwei,Zhang Jiahua,Huang Shihua,Yu Jiaqi.TRANSITION PROBABILITY OF 5D2→7F0 IN BaFClxBr1-x:Sm2+AND IT'S EFFECT TO HOLE-BURNING EFFICIENCY[J].Chinese Journal of Luminescence,1994,15(3):215-220. |
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| Authors: | Song Hongwei Zhang Jiahua Huang Shihua Yu Jiaqi |
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| Institution: | Changchun Institute of Physits, Chinese Academy of Sciences, Changchun 130021 |
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| Abstract: | Concerning electron transition probability of7F0→5D2 of Sm2+ in BaFClxBr1-x:Sm2+ system, the excitation spectra of 4f5d bands, the decay dependence of 5D2→7F0transition on the composition (x) and temperature, absorption probability of7F0→5D2and emission transition probability of 5D2→7F0 are investigated.The results show that the 4f5d bands of Sm2+ become lower and closer to 5D2 states with the increase of Br concentration in BaFClxBr1-x:Sm2+ system.Therefore, it could be expected that the holeburning efficiency of these materials should increase with the increase of Br concentration. |
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| Keywords: | hole-burning efficiency electron transition probability absorption cross section |
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