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Ultra-thin Polarization Independent Absorber Using Hexagonal Interdigital Metamaterial

  • Lee, Joung-Young (Department of Electrical and Electronics Engineering, Chung-Ang University) ;
  • Yoon, Young-Joong (Department of Electrical and Electronics Engineering, Yonsei University) ;
  • Lim, Sung-Joon (Department of Electrical and Electronics Engineering, Chung-Ang University)
  • Received : 2011.03.02
  • Accepted : 2011.05.19
  • Published : 2012.02.01
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Abstract

An ultra-thin hexagonal microwave metamaterial absorber is described. It can absorb any polarized transverse electromagnetic wave because of its hexagonal shape. In spite of its very thin structure, almost $0.028{\lambda}g$, the absorber achieved 99% absorptivity at 11.35 GHz in experimental results because of the increased coupling losses, showing good agreement with simulation results. In addition, this high absorbance is unchanged for any polarized waves with the same frequency.

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References

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