標題: Distribution of current induced on metal-strip gratings by plane wave
作者: Shiao, CM
Peng, ST
電信工程研究所
Institute of Communications Engineering
關鍵字: current density;electromagnetic scatterings;gratings;periodic structures
公開日期: 1-六月-1998
摘要: In this paper, we present a rigorous analysis of current distribution induced on a metal-strip grating by an incident plane wave. The metal strips of the grating are characterized by a complex permittivity, with a large imaginary part to account for their finite conductivity. Such a scattering problem is formulated by the mode-matching method to determine the scattered fields everywhere, so that the volume distribution of current within a metal strip can be explicitly obtained, Numerical results are given to illustrate the effects of the dielectric constant of the surrounding media, as well as the incident angle and polarization on the current distribution induced by an incident plane wave. The air and metal modes form the basis for physical explanations of the numerical results obtained.
URI: http://hdl.handle.net/11536/32572
ISSN: 0018-9480
期刊: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Volume: 46
Issue: 6
起始頁: 883
結束頁: 885
顯示於類別:會議論文


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