Magnetic loading of EBG AMC ground planes and ultrathin absorbers for improved bandwidth performance and reduced size

D. J. Kern, D. H. Werner

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

This paper demonstrates the advantages of magnetic loading within the substrate of an electromagnetic bandgap (EBG) surface. A conventional EBG surface has been shown to act as an artificial magnetic conductor over a narrow bandwidth. This paper demonstrates that by magnetic loading of the substrate, increased operating bandwidth is achieved for each resonant frequency. In addition, previous research has revealed that an ultrathin electromagnetic absorber design can be obtained by introducing loss into the frequency selective surface of an EBG absorber. It is now shown that a further reduction in thickness is possible by including a small amount of magnetic permeability within the dielectric substrate material.

Original languageEnglish (US)
Pages (from-to)2468-2471
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume48
Issue number12
DOIs
StatePublished - Dec 1 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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