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A Circularly-Polarized Isoflux Antenna Based on Anisotropic Metasurface

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5 Author(s)
Minatti, G. ; Information Engineering, University of Siena, Siena, Italy ; Maci, S. ; De Vita, P. ; Freni, A.
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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 1 Kg) and represents a competitive solution for space-to-ground data link applications.

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Antennas and Propagation, IEEE Transactions on  (Volume:60 ,  Issue: 11 )