Focusing device comprising a Luneberg lens including a homogeneous volume of dielectric and method material for making such a lens

The invention relates to a focussing device comprising a Luneberg lens and its manufacturing process. It relates more particularly to a focussing device comprising a Luneberg lens comprising a homogeneous volume of dielectric. The invention relates to a focusing device comprising a Luneberg lens comprising a homogeneous volume of dielectric. It is characterized in that the dielectric comprises a granular agglomerate defined by a homogeneous granule size distribution of thermoplastic granules, at least one plurality of these granules being welded together by granule boundaries in order to keep said volume consolidated. Particular application to lenses for the tracking of nongeostationary satellites, of at least one geostationary satellite, or for use in an MMDS system.