| 二元矩形金属光栅衍射增强电磁理论 |
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| 引用本文： | 刘敏敏,张国平,邹明.二元矩形金属光栅衍射增强电磁理论[J].物理学报,2006,55(9):4608-4612. |
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| 作者姓名： | 刘敏敏 张国平 邹明 |
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| 作者单位： | (1)华中师范大学物理科学与技术学院，武汉 430079; (2)华中师范大学物理科学与技术学院，武汉 430079;湖北民族学院物理系，恩施 445000; (3)华中师范大学物理科学与技术学院，武汉 430079;武汉化工学院理学院，武汉 430074 |
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| 摘 要： | 采用耦合波原理计算了TM波经过二元纳米量级金属光栅衍射的电磁场，研究了金属光栅的占空比、光栅深度及TM波入射角对衍射后的光栅表面电磁场的增强的影响，针对金属金、银做了探讨和分析，得出重要的结论.
关键词：
耦合波原理
金属光栅
衍射
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| 关 键 词： | 耦合波原理 金属光栅 衍射 |
| 文章编号： | 1000-3290/2006/55(09)/4608-05 |
| 收稿时间： | 04 13 2005 12:00AM |
| 修稿时间： | 2005-04-132006-01-20 |
Electromagnetic theory of enhanced diffraction for a binary metallic grating |
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| Liu Min-Min,Zhang Guo-Ping,Zou Ming.Electromagnetic theory of enhanced diffraction for a binary metallic grating[J].Acta Physica Sinica,2006,55(9):4608-4612. |
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| Authors: | Liu Min-Min Zhang Guo-Ping Zou Ming |
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| Institution: | 1 College of Physical Science and Technology, Central China Normal University, Wuhan 430079, China; 2 School of Science, Wuhan Institute of Chemical Technology, Wuhan 430074, China; 3 Department of Physics, Hubei Institute of Nationalities, Enshi 445000, China |
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| Abstract: | The diffraction electromagnetic field is calculated by rigorous coupled-wave theory for a binary metallic grating of nanometric dimensions. We discuss in detail the influence of the ratio of grating ridge width to grating period, the depth of groves and the angle of incident wave for the enhancement of diffraction electromagnetic field. Calculations for silver grating and gold grating result in some important conclusions. |
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| Keywords: | coupled-wave theory metallic grating diffraction |
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