Design of a broadband electromagnetic wave absorber using a metamaterial technology

Wensong Wang, Yinchao Chen, Shuhui Yang, Xin Zheng and Qunsheng Cao

Journal of Electromagnetic Waves and Applications, 2015, vol. 29, issue 15, 2080-2091

Abstract: A novel design of electromagnetic wave absorber is presented with the characteristics of broad bandwidth, low profile, and polarization independence to a normal incident electromagnetic wave. The absorber is composed of a single-layer, highly resistive frequency selective surface layer printed on a 1-mm-thickness foam substrate. It is observed that the absorptance of 90% or greater in the frequency range of 20–31 GHz has been achieved. It is also found that good electromagnetic wave absorption is achieved for a wide incident wave angle spanning up to 40°. An equivalent circuit modal for the proposed absorber has been developed using an ADS schematic circuit, which shows a fairly good consistency with that derived from high frequency structure system field solver in the frequency range of interest.

Date: 2015
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DOI: 10.1080/09205071.2015.1006733

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