Wideband RCS reduction of a slot array antenna using polarization conversion metasurfaces

Ying Liu, Kun Li, Yongtao Jia, Yuwen Hao, Shuxi Gong, Y. Jay Guo

Research output: Contribution to journalArticle

163 Citations (Scopus)

Abstract

A new approach to reducing the monostatic radar cross section (RCS) and preserving the radiation characteristics of a slot array antenna by employing polarization conversion metasurfaces (PCMs) is presented in this communication. The PCM is arranged in a chessboard configuration consisting of fishbone-shaped element. It is placed on the surface of the slot array antenna. The characteristics and mechanism of the RCS reduction are analyzed. Simulated and experimental results show that the monostatic RCS reduction band of the antenna with PCM ranges between 6.0 and 18.0 GHz for normally impinging both x-and y-polarized waves. The radiation characteristics of the antenna are well preserved simultaneously in terms of the impedance bandwidth, radiation patterns, and realized boresight gains.

Original languageEnglish
Pages (from-to)326-331
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume64
Issue number1
DOIs
Publication statusPublished - Jan 2016
Externally publishedYes

Keywords

  • Polarization conversion metasurfaces (PCMs)
  • Radar cross section (RCS)
  • Slot array antenna
  • Wideband

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