Design of a Compact and Multifunctional Radiating Structure exploiting the Mantle Cloaking Technique

Abstract

In this contribution, we investigate the possibility to apply the mantle cloaking technique to radiation platforms consisting of a combination of different antenna types. More specifically, we consider the challenging case of a half-wavelength dipole working in close electrical proximity to an Archimedean spiral slot antenna. We show that by covering the dipole with a suitable cloaking metasurface, it is possible to significantly reduce its blockage on the Archimedean antenna and make it work as if it were isolated. We also show that the same system can be engineered to exploit the aperture antenna as a reflector for the dipole that, thus, can operate as a standard sector antenna. This cloaking application is confirmed by realistic full-wave numerical simulations.