| 光吸收介质的吸收系数与介电函数虚部的关系 |
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| 引用本文： | 樊洁平,刘惠民,田强.光吸收介质的吸收系数与介电函数虚部的关系[J].大学物理,2009,28(3). |
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| 作者姓名： | 樊洁平 刘惠民 田强 |
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| 作者单位： | 北京师范大学,物理系,北京,100875 |
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| 基金项目： | 教育部国家理科基地创建名牌课程项目，北京市精品课程建设项目 |
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| 摘 要： | 讨论了相对介电函数虚部和消光系数与光吸收的关系,指出吸收系数与消光系数成正比,而吸收系数与相对介电函数虚部成正比是有条件的.
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| 关 键 词： | 介电函数 消光系数 吸收系数 |
The imaginary part of dielectric function and the absorption coefficient |
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| FAN Jie-ping,LIU Hui-min,TIAN Qiang.The imaginary part of dielectric function and the absorption coefficient[J].College Physics,2009,28(3). |
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| Authors: | FAN Jie-ping LIU Hui-min TIAN Qiang |
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| Institution: | Department of Physics;Beijing Normal University;Beijing 100875;China |
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| Abstract: | The relations between absorption coefficient and the imaginary part of dielectric function,and between absorption coefficient and extinction coefficient,are discussed.The absorption coefficient is proportional to extinction coefficient.But it is not always that the absorption coefficient is proportional to the imaginary part of dielectric function. |
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| Keywords: | dielectric function extinction coefficient absorption coefficient |
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