Frequency selective surfaces for extended bandwidth backing reflector functions

M. Pasian, S. Monni, A. Neto, M. Ettorre, G. Gerini

Research output: Contribution to journalArticleAcademicpeer-review

57 Citations (Scopus)
324 Downloads (Pure)


This paper deals with the use of frequency selective surfaces (FSS) to increase the efficiency X bandwidth product in wideband antenna arrays, whose efficiency is limited by the front-to-back ratio. If the backing reflector for the antenna is realized through a single metal plane solution, its location will be suitable only on a relatively limited frequency range especially if wide angle scanning is required. In order to extend the frequency range of usability, an FSS can be sandwiched between the antenna and the ground plane, providing an additional reflecting plane for an higher frequency band. The possibility to integrate in the antenna different functionalities, otherwise performed by several antennas, is also discussed in the paper. The proposed backing structure composed by the FSS and the ground plane has been designed to be used in conjunction with a wideband antenna consisting of an array of connected dipoles. A hardware demonstrator of the backing structure has also been manufactured and tested.
Original languageEnglish
Pages (from-to)43-50
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Issue number1
Publication statusPublished - 2010


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