| 有限厚导体屏上纳米小孔近场光学特性的研究 |
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| 引用本文： | 吴才章,叶梅,叶虎年.有限厚导体屏上纳米小孔近场光学特性的研究[J].华中科技大学学报(自然科学版),2004,32(7):77-79. |
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| 作者姓名： | 吴才章 叶梅 叶虎年 |
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| 作者单位： | 华中科技大学,机械科学与工程学院,湖北,武汉,430074;华中科技大学,机械科学与工程学院,湖北,武汉,430074;华中科技大学,机械科学与工程学院,湖北,武汉,430074 |
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| 基金项目： | 国家自然科学基金资助项目 (30 1 70 2 76 )和 (1 0 1 76 0 1 0 ) |
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| 摘 要： | 在Bethe小孔衍射偶极子理论模型和光波导理论的基础上，推导了有限厚导体屏上纳米小孔近场光强的分布公式，得到了小孔近场电磁场分布的严格解．计算结果不仅对深入了解近场光的辐射机理非常有益，而且可直接应用于非探针型近场光学显微镜中基码板的设计．
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| 关 键 词： | 近场光学 隐失波 波导 传递系数 |
| 文章编号： | 1671-4512(2004)07-0077-03 |
| 修稿时间： | 2003年9月18日 |
The near-field optical distributing properties of a nanometer-small circular apertures on a conducting screen |
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| Wu Caizhang Ye Mei Ye Hunian Wu Caizhang Doctoral Candidate, College of Mech. Sci. & Eng.,Huazhong Univ. of Sci. & Tech.,Wuhan ,China..The near-field optical distributing properties of a nanometer-small circular apertures on a conducting screen[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2004,32(7):77-79. |
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| Authors: | Wu Caizhang Ye Mei Ye Hunian Wu Caizhang Doctoral Candidate College of Mech Sci & Eng Huazhong Univ of Sci & Tech Wuhan China |
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| Institution: | Wu Caizhang Ye Mei Ye Hunian Wu Caizhang Doctoral Candidate, College of Mech. Sci. & Eng.,Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China. |
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| Abstract: | Based on the dipole diffraction theory of small circular apertures by Bethe and the waveguide theory, the near field optic distributing formula of the nanometer small circular apertures on a thick conducting screen was developed and a rigorous near field electromagnetic resolution of the small circular apertures was obtained. The results were relevant to the study of the radiation principle of the near field optics and can apply to the design of the non probe near field optical microscopy. |
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| Keywords: | near-field optics evanescent wave waveguide transmission coefficients |
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