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题名:
The role of localized surface plasmon in the THz transmission of metallic rectangular hole arrays
作者: Xiong, Wei1,2,3; Yao, Jun1; Li, Wei2; Shen, Jingling4
出版日期: 2012
会议名称: Proceedings of SPIE: Nanophotonics and Micro/Nano Optics
会议日期: 2012
DOI: 10.1117/12.999678
通讯作者: Yao, J. (junyao@ioe.ac.cn)
中文摘要: We report on transmission enhancement and suppression in rectangular aperture arrays at terahertz range. Experiments and simulations reveal that transmission maxima and minima of metal film perforated with rectangular apertures arrays are caused by the shape resonance and the interference between surface waves respectively. To further investigate the relative contributions of shape resonance and interference between SPPs, we have examined the density of electrons whose distribution property is identified to the normal component of E-filed which clearly shows that transmission resonance stems from excitation of shape resonance at the edge of the hole. This resonance dominated by cutoff function is responsible for resonance peak at transmitted spectrum. The interference of SPPs originated at surface further enhances the resonances and gives a set of minima in the transmittance spectrum. This study contributes a better understanding of fundamental physics behind the extraordinary transmission of aperture arrays at THz range and provides a simple method for the design of THz devices. © 2012 SPIE.
英文摘要: We report on transmission enhancement and suppression in rectangular aperture arrays at terahertz range. Experiments and simulations reveal that transmission maxima and minima of metal film perforated with rectangular apertures arrays are caused by the shape resonance and the interference between surface waves respectively. To further investigate the relative contributions of shape resonance and interference between SPPs, we have examined the density of electrons whose distribution property is identified to the normal component of E-filed which clearly shows that transmission resonance stems from excitation of shape resonance at the edge of the hole. This resonance dominated by cutoff function is responsible for resonance peak at transmitted spectrum. The interference of SPPs originated at surface further enhances the resonances and gives a set of minima in the transmittance spectrum. This study contributes a better understanding of fundamental physics behind the extraordinary transmission of aperture arrays at THz range and provides a simple method for the design of THz devices. © 2012 SPIE.
收录类别: Ei
语种: 英语
卷号: 8564
ISSN号: 0277786X
文章类型: 会议论文
页码: 85641P
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.ioe.ac.cn/handle/181551/7892
Appears in Collections:微细加工光学技术国家重点实验室(开放室)_会议论文

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作者单位: 1. State Key Lab of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
2. School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, 610054, China
3. Graduate University, Chinese Academy of Sciences, Beijing, 100049, China
4. Beijing Key Lab for Terahertz Spectroscopy and Imaging, Capital Normal University, Beijing, 100048, China

Recommended Citation:
Xiong, Wei,Yao, Jun,Li, Wei,et al. The role of localized surface plasmon in the THz transmission of metallic rectangular hole arrays[C]. 见:Proceedings of SPIE: Nanophotonics and Micro/Nano Optics. 2012.
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