| Nd∶GGG晶体荧光寿命的测试及受激发射截面的计算 |
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| 引用本文： | 李昌立,孙晶,曾繁明,李建利,万玉春,刘景和.Nd∶GGG晶体荧光寿命的测试及受激发射截面的计算[J].光学技术,2006(2). |
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| 作者姓名： | 李昌立 孙晶 曾繁明 李建利 万玉春 刘景和 |
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| 作者单位： | 长春理工大学理学院 吉林长春130022 |
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| 摘 要： | 介绍了荧光寿命的测试原理。设计了荧光寿命测试系统。利用脉冲取样技术测试了Nd∶GGG晶体的荧光寿命,约为250μs。采用英国的荧光光谱仪,在室温条件下,用波长为488nm的Ar离子激光器激发Nd:GGG晶体,获得了Nd:GGG晶体的荧光光谱,计算出的Nd∶GGG晶体的受激发射截面σ(λ)为21.57×10-20cm2。
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| 关 键 词： | Nd∶GGG晶体 荧光寿命 荧光光谱 受激发射截面 |
The calculation of stimulated-emission cross-section and the testing of fluorescence lifetime of Nd∶GGG crystal |
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| LI Chang-li,SUN Jing,ZENG Fan-ming,LI Jian-li,WAN Yu-chun,LIU Jing-he.The calculation of stimulated-emission cross-section and the testing of fluorescence lifetime of Nd∶GGG crystal[J].Optical Technique,2006(2). |
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| Authors: | LI Chang-li SUN Jing ZENG Fan-ming LI Jian-li WAN Yu-chun LIU Jing-he |
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| Abstract: | The fluorescence lifetime testing principle is introduced,and testing system is designed.The Nd∶GGG crystal fluorescence lifetime was measured to be 250μs by pulse sampling techniques.Fluorescence spectrum of Nd∶GGG crystal was obtained under excitation with the 488 nm argon ion laser at room temperature with British fluorescence spectrometer,and the stimulated-emission cross-section is calculated to be 21.57×10~(-20)cm~2. |
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| Keywords: | Nd∶GGG crystal fluorescence lifetime fluorescence spectrum stimulated-emission cross-section |
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