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A broadband polarization-insensitive metamaterial absorber based on multi-mode resonance

  • Xiao Xin Liu
  • , Guo Hui Yang
  • , Er Gen Tao
  • , Lei Qiang Ma
  • , Yue Long Lv
  • , Wei Can Shi
  • School of Electronics and Information Engineering, Harbin Institute of Technology
  • 3 Force of the Aviation Units in Xinjiang Military Area

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this paper, a novel metamaterial absorber is proposed. The absorber is based on metamaterial which is a kind of artificial periodic structures. The top layer of the absorber is composed of split ring resonators (SRRs) with a square metal patches (SMPs) in each SRR and its bottom layer is covered with whole metal. The special structure of the top layer makes the unit cell resonate at adjacent frequencies in different modes, which makes the absorber work in broadband. Moreover, the oblique and symmetrical unit cell makes the absorber suitable for both TE and TM wave, namely it is polarization-insensitive. Simulation and calculation results show that the absorber is able to absorb more than 75% of the EM power from 9.6 to 18.45 GHz with a relative bandwidth of 63.10% for both TE and TM wave. The proposed absorber is also fabricated and measured. The experimental results agree with the simulation ones very well. The broadband and polarization-insensitivity properties of the proposed absorber make it have a promising application prospect in shielding and stealth technology.

Original languageEnglish
Title of host publicationProceedings of 3rd Asia-Pacific Conference on Antennas and Propagation, APCAP 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1115-1118
Number of pages4
ISBN (Electronic)9781479943548
DOIs
StatePublished - 18 Dec 2014
Externally publishedYes
Event3rd Asia-Pacific Conference on Antennas and Propagation, APCAP 2014 - Harbin, China
Duration: 26 Jul 201429 Jul 2014

Publication series

NameProceedings of 3rd Asia-Pacific Conference on Antennas and Propagation, APCAP 2014

Conference

Conference3rd Asia-Pacific Conference on Antennas and Propagation, APCAP 2014
Country/TerritoryChina
CityHarbin
Period26/07/1429/07/14

Keywords

  • broadband
  • metamaterial
  • metamaterial absorber
  • multi-mode resonator
  • polarization-insensitive

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