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Extraordinary transmission through subwavelength hole arrays for general oblique incidence - mechanism as related to surface wave dispersion and floquet lattice diagrams

作     者:Kehn, Malcolm Ng Mou 

作者机构:Department of Electrical and Computer Engineering Institute of Communications Engineering Center for mmWave Smart Radar Systems and Technologies at the National Chiao Tung University Hsinchu Taiwan 

出 版 物:《Progress In Electromagnetics Research B》 (Prog. Electromagn. Res. B)

年 卷 期:2018年第82卷

页      面:49-71页

核心收录:

学科分类:080805[工学-电工理论与新技术] 080904[工学-电磁场与微波技术] 0808[工学-电气工程] 0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 070204[理学-等离子体物理] 0701[理学-数学] 0702[理学-物理学] 

基  金:This work was partially supported by the "Center for mmWave Smart Radar Systems and Technologies" under the Featured Areas Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education (MOE)  and partially supported under MOST 107-3017-F-009-001  in Taiwan.This work was partially supported by the "Center for mmWave Smart Radar Systems and Technologies" under the Featured Areas Research Center Program within the framework of the Higher Education Sprout Project by the Ministry of Education (MOE)  and partially supported under MOST 107-3017-F-009-001  in Taiwan 

主  题:Modal analysis 

摘      要:An array of rectangular holes pierced through a conducting screen is treated herein by a rigorous full-wave modal analysis using the moment method entailing Green s functions for rectangular cavities and planar multilayer structures in the spectral domain. Unexpectedly strong diffusions of incident plane waves are observed even at frequencies where the size of each hole is considerably less than the wavelength, posing a transmission efficiency that exceeds unity and thus leading to extraordinary transmission since this defies classical aperture diffraction theory. This paper fortifies the present understanding of the role surface plasmon polaritons (SPP) play in explaining this phenomenon, by using surface-wave dispersion and Floquet lattice diagrams to link up with the peaks in the transmission spectra. The incidence angle and polarization of the irradiation are taken into account in this work. © 2018 Progress in Electromagnetics Research B.

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