The Journal of Korean Institute of Electromagnetic Engineering and Science (한국전자파학회논문지)

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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Dual-Band Metamaterial Absorber without Metallic Back-Plate

금속 접지 판이 없는 이중대역 메타 물질 흡수체

  • Lee, Hong-Min (Department of Electronic Engineering, Kyonggi University) ;
  • Lee, Hyung-Sup (Department of Electronic Engineering, Kyonggi University)
  • 이홍민 (경기대학교 전자공학과) ;
  • 이형섭 (경기대학교 전자공학과)
  • Received : 2012.04.09
  • Accepted : 2012.05.22
  • Published : 2012.07.31
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Abstract

In this paper, the authors present a new design for a dual-band metamaterial(MTM) absorber that utilizes resonant-magnetic inclusion of a split-ring resonator(SRR). The proposed MTM unit cell is constructed by two open complementary split-ring resonators(OCSRRs) and an SRR arrangement. To avoid the need for metallic back plate a planar array of SRRs for resonant-magnetic inclusion is placed facing toward the incident wave propagation direction. Each unit cell is printed on the two sides of a FR-4 substrate. A prototype absorber was fabricated with a planar array of $39{\times}39$ unit cells, and measured. The proposed backplane-less absorber can be used for microwave applications.

본 논문에서는 SRR의 자계 공진을 이용한 새로운 이중 대역 메타 물질 구조의 흡수체를 제안하였다. 제안된 메타 물질 구조의 단위 셀은 두 개의 OCSRR과 SRR의 구조로 이루어 졌다. 연구에서는 금속 접지 면을 갖지 않는 구조로 설계하기 위하여 평면 배열된 SRR들은 입사 전자파의 진행 방향과 평행하게 놓여졌다. FR-4 기판 양면에 총 $39{\times}39$개의 단위 셀들의 배열로 이루어진 흡수체 시작품을 제작하고 측정하였다. 제안된 금속 접지판이 없는 구조는 마이크로파 주파수대 흡수체로 응용이 가능함을 보였다.

Keywords

References

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