Voltage Controlled Intertwined Spiral Arrays for Reconfigurable Metasurfaces

A. Vallecchi, R.J. Langley, A.G. Schuchinsky

Research output: Contribution to journalArticle

7 Citations (Scopus)
231 Downloads (Pure)

Abstract

Reconfigurable bistate metasurfaces composed of interwoven spiral arrays with embedded pin diodes are proposed for single and dual polarisation operation. The switching capability is enabled by pin diodes that change the array response between transmission and reflection modes at the specified frequencies. The spiral conductors forming the metasurface also supply the dc bias for controlling pin diodes, thus avoiding the need of additional bias circuitry that can cause parasitic interference and affect the metasurface response. The simulation results show that proposed active metasurfaces exhibit good isolation between transmission and reflection states, while retaining excellent angular and polarisation stability with the large fractional bandwidth (FBW) inherent to the original passive arrays.
Original languageEnglish
Article number171637
Number of pages10
JournalInternational Journal of Antennas and Propagation
Volume2014
DOIs
Publication statusPublished - 20 Mar 2014

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