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Conference Paper A Planar Resonant-type EM Wave Absorber using a Periodic Surface
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Authors
Dong-Uk Sim, Young-Jun Chong, Jae-Ick Choi, Seong-Ook Park
Issue Date
2012-01
Citation
Radio and Wireless Symposium (RWS) 2012, pp.343-346
Publisher
IEEE
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/RWS.2012.6175317
Abstract
In this paper, a periodic structure for absorbing electromagnetic wave is presented and its absorption performance examined. The proposed absorber is a planar resonant-type structure based on the topology of a Salisbury screen, and a lossy periodic surface is used for enhancing the absorption performance. The proposed structure has a superior absorption characteristic compared to conventional absorbers of a comparable size. The measured results of the absorber, which show a broadband reflectivity response with a fractional bandwidth of approximately 76% below 10 dB, are presented. Also, the calculated and measured results of the absorbing structure for 1.8 GHz band application are presented. © 2012 IEEE.
KSP Keywords
Absorption characteristic, Absorption performance, EM wave absorber, Fractional Bandwidth(FBW), GHz band, Resonant-type, Salisbury screen, electromagnetic wave, periodic structure