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Articles

Single-layer wideband FSS for the RCS reduction of spiral antenna

, , , &
Pages 2191-2198 | Received 13 May 2015, Accepted 11 Aug 2015, Published online: 05 Oct 2015
 

Abstract

A single-layer frequency selective surface (FSS) with wide stop band is proposed and applied in reducing the radar cross section (RCS) of the spiral antenna in this article. The element of the FSS consists of toothed spindle-shaped cross and rings. With the spindle-shaped cross and the toothed edges, the operating band of the FSS is enhanced and extended to the high frequency range. The metal rings are laid between the arms to decrease the coupling. The results show that the stop band of the FSS is 3.4–5.8 GHz under the condition of |S21| < −10 dB and the RCS of the spiral antenna is reduced in the band of 4–15 GHz while the radiation performances hold.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by National Natural Science Foundation of China [grant number 61201018]; China Scholar Council (CSC).

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