Reconfigurable cross dipole: Hash frequency selective surface

Abstract

The authors present a reconfigurable frequency selective surfaces (RFSS) structure with two states based on the cross-dipole element. The structure is designed to behave as an array of cross-dipole elements in one state, and as an array of hash elements in the other state. The cross-dipole patch array has a stop-band filter response, and the hash array behaves as a pass band filter at the design frequency of 12.5 GHz. The frequency response of these filters is analysed using the equivalent circuit method. Computer simulation technology (CST) software simulations and experimental results are used to validate the RFSS design.