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Proceedings Paper

High-impedance electromagnetic surfaces with forbidden bands at radio and microwave frequencies
Author(s): Daniel F. Sievenpiper; Lixia Zhang; R. Broas; Eli Yablonovitch
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Paper Abstract

A new type of metallic electromagnetic structure has been developed that is characterized by having high surface impedance. The geometry is analogous to a corrugated metal surface in which the corrugations have been folded up into lumped circuit elements, and distributed in a 2D lattice. Although it is made of continuous metal, and conducts DC currents, it does not conduct AC currents within a forbidden frequency band. Unlike normal conductors, this new surface does not support propagating surface waves. Furthermore, image currents induced in the surface are not phase reversed as they are on a flat metal surface.

Paper Details

Date Published: 12 November 1999
PDF: 12 pages
Proc. SPIE 3795, Terahertz and Gigahertz Photonics, (12 November 1999); doi: 10.1117/12.370159
Show Author Affiliations
Daniel F. Sievenpiper, Univ. of California/Los Angeles (United States)
Lixia Zhang, Univ. of California/Los Angeles (United States)
R. Broas, Univ. of California/Los Angeles (United States)
Eli Yablonovitch, Univ. of California/Los Angeles (United States)

Published in SPIE Proceedings Vol. 3795:
Terahertz and Gigahertz Photonics
R. Jennifer Hwu; Ke Wu, Editor(s)

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