| 金属狭缝阵列在电介质覆层下的TE波异常透射性 |
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| 引用本文： | 王亚伟,邓晓斌,王立峰,刘明礼,韩广才. 金属狭缝阵列在电介质覆层下的TE波异常透射性[J]. 激光与光电子学进展, 2010, 0(4) |
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| 作者姓名： | 王亚伟 邓晓斌 王立峰 刘明礼 韩广才 |
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| 作者单位： | 江苏大学理学院;江苏大学机械工程学院; |
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| 基金项目： | 江苏省六大人才高峰基金(06-E-059);;江苏省自然科学基金(BK2008230);;江苏省先进光学制造重点实验室开放课题(KJS0905)资助课题 |
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| 摘 要： | 亚波长周期性结构具有不同于传统微结构的许多特异性质,利用这些性质可以设计新型纳米光子学器件。应用时域有限差分(FDTD)数值模拟方法,通过在亚波长周期性结构的金属上添加电介质覆层,发现了横电波(TE)偏振光激励下周期性调制金属狭缝的异常透射现象,并对金属薄膜左右表面和狭缝内添加电介质覆层对异常透射的作用和影响进行了分析讨论,得到金属的左右表面能激发一表面波,通过狭缝内的电介质波导的传输,产生异常透射增大的现象。
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| 关 键 词： | 纳米光子学 异常透射 数值模拟 亚波长狭缝 |
Extraordinary Transmission of TE-Polarization through Periodic Arrays of Metallic Slits Covered with Dielectric Medium |
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| Wang Yawei Deng Xiaobin Wang Lifeng Liu Mingli Hang Guangcai School of Mechanical Engineering,Jiangsu University,Zhenjiang,Jiangsu ,China Faculty of Science,China. Extraordinary Transmission of TE-Polarization through Periodic Arrays of Metallic Slits Covered with Dielectric Medium[J]. Laser & Optoelectronics Progress, 2010, 0(4) |
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| Authors: | Wang Yawei Deng Xiaobin Wang Lifeng Liu Mingli Hang Guangcai School of Mechanical Engineering Jiangsu University Zhenjiang Jiangsu China Faculty of Science China |
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| Affiliation: | Wang Yawei2 Deng Xiaobin1 Wang Lifeng1 Liu Mingli1 Hang Guangcai2 1School of Mechanical Engineering,Jiangsu University,Zhenjiang,Jiangsu 212013,China 2Faculty of Science,China |
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| Abstract: | Subwavelength periodic structures have many specific properties different from the traditional structures.Based on these properties,new nano-photonics devices can be designed.Using finite difference time domain(FDTD) numerical simulation methods,abnormal transmission phenomenon under TE polarized light excitation is realized by adding dielectric coating in the subwavelength peridic metallic slits.By comparing effects of adding dielectric in different locations such as left or right surface of metal films an... |
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| Keywords: | nano-photonics abnormal transmission numerical simulation subwavelength slit |
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