A low-profile frequency selective surface with controllable triband characteristics

Desong Wang*, Wenquan Che, Yumei Chang, Kuo Sheng Chin, Y. Leonard Chow

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

76 Scopus citations

Abstract

A novel compact low-profile frequency selective surface (FSS) with controllable triband characteristics is presented. The proposed FSS consists of a stacked periodic array of square loops and complementary apertures, respectively centered within a wire grid and an aperture grid, which can create three transmission poles and two transmission zeros. Controllable triband performance is achieved, allowing the FSS to transmit the signal at 4 GHz while reflecting the signals at 6 and 9.5 GHz. Due to the compact and low-profile structure, the designed FSS has a reduced sensitivity to the incident angle compared to traditional triband FSSs. An equivalent circuit model is proposed for predicting and analyzing the frequency characteristics of this structure. For demonstration, a prototype of the proposed FSS is fabricated and measured. Good agreement between the simulated and measured results is observed.

Original languageEnglish
Article number6484877
Pages (from-to)468-471
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume12
DOIs
StatePublished - 2013

Keywords

  • Complementary structure
  • frequency selective surface (FSS)
  • spatial filter
  • spatial lumped element
  • triband

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