Surface Plasmon Resonant THz Wave Transmission on Carbon Nanotube Film

被引:0
作者
Yue Wang
Xuan Wang
Qun Wu
Xun-jun He
Tai-long Gui
Yi-Jing Tong
机构
[1] Harbin University of Science and Technology,Department of Electronic Science and Technology
[2] Harbin University of Science and Technology,Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education
[3] Harbin Institute of Technology,School of Electronics and Information Engineering
[4] Harbin University of Science and Technology,Department of Materials Physics
来源
Plasmonics | 2012年 / 7卷
关键词
Surface plasmons; THz; Carbon nanotube;
D O I
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中图分类号
学科分类号
摘要
The properties of the terahertz resonant surface plasmons wave on the carbon nanotube film and dielectric interface have been investigated. As a first step towards engineering terahertz SPPs-like surface modes, we present a computer experiment to demonstrate that the carbon nanotube film surface can also be employed to concentrate and guide the terahertz SPPs wave. The carbon nanotube film is modeled in an experimentally realizable geometry. It is shown that a unique electromagnetic surface mode in terahertz region can be supported along the carbon nanotube film/dielectric interface when the free-space broadband terahertz pulse is incident on the carbon nanotube film with subwavelength gratings. Comparing with noble metals, plasmonic nano-structure materials based on carbon nanotube film offer a potentially more versatile approach to engineering tightly confined surface modes in the THz regime.
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页码:411 / 415
页数:4
相关论文
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