INHOMOGENEOUS LENS WITH MAXWELL'S FISH-EYE TYPE GRADIENT INDEX, ANTENNA SYSTEM AND CORRESPONDING APPLICATIONS
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United States of America Patent
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Issued Date -
Jun 3, 2010
app pub date -
Jul 5, 2006
filing date -
Jul 5, 2005
priority date (Note) -
Abandoned
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Abstract
The invention concerns an inhomogeneous lens with Maxwell's Fish-eye type gradient index (1), made in the shape of a hemisphere. The invention is characterized in that the lens comprises N hemispheric concentric shells (2 to 4), with different discrete dielectric constants and mutually interlaced without void between the two successive shells, with 3.ltoreq.N.ltoreq.20, the discrete dielectric constants of the N shells being such that they define a discrete distribution close to the theoretical distribution of the index inside the lens.
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