Theory, design, realization and measurements of an X-band isoflux circularly polarized antenna for LEO satellite platforms are presented. The antenna is based on a metasurface composed by a dense texture of sub-wavelength metal patches on a grounded dielectric slab, excited by a surface wave generated by a coplanar feeder. The antenna is extremely flat (1.57 mm) and light (less than 1Kg) and represents a competitive solution for space-to-ground data link applications.
A circularly-polarized isoflux antenna based on anisotropic metasurface / G. Minatti; S. Maci; P. De Vita; A. Freni; M. Sabbadini. - In: IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION. - ISSN 0018-926X. - STAMPA. - 60:(2012), pp. 4998-5009. [10.1109/TAP.2012.2208614]
A circularly-polarized isoflux antenna based on anisotropic metasurface
DE VITA, PAOLO;FRENI, ANGELO;
2012
Abstract
Theory, design, realization and measurements of an X-band isoflux circularly polarized antenna for LEO satellite platforms are presented. The antenna is based on a metasurface composed by a dense texture of sub-wavelength metal patches on a grounded dielectric slab, excited by a surface wave generated by a coplanar feeder. The antenna is extremely flat (1.57 mm) and light (less than 1Kg) and represents a competitive solution for space-to-ground data link applications.
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