Switchable radar cross-section evanescent waveguide antenna affiliation

Vincent Fusco, Peter Ludlow

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We present a simple method of forming a switchable radar cross-section (RCS) in evanescent waveguide.Here, the antenna can be selected to be matched to free space, or to act as an almost perfect reflector of incident energy via a single SPST switch located at the antenna aperture. With the aperture switch open, the antenna is matched over a measured bandwidth of 17.5%, from 2.35 to 2.8 GHz, for reflection coefficient <-10 dB, in 2.725 GHz cutoff waveguide. With the aperture switch closed, a minimum reflection coefficient of -2.5 dB across the bandwidth is observed, proving that the antenna has the capacity to be made RCS reconfigurable. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1849–1851, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26981
Original languageEnglish
Pages (from-to)1849–1851
Number of pages3
JournalMicrowave and Optical Technology Letters
Volume54
Issue number8
DOIs
Publication statusPublished - Aug 2012

Keywords

  • radar cross-section;

ASJC Scopus subject areas

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

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