Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 19, 2007
Patent Application Number
10532655
Date Filed
October 23, 2003
Patent Primary Examiner
Patent abstract
A system includes a device for focusing electromagnetic waves, and a multiple-beam antenna. The antenna includes: a photonic bandgap material (20) having at least one band gap, at least one periodicity defect (36) of the photonic bandgap material so as to produce at least one narrow bandwidth within the bandgap material, and excitation elements (40 to 43) for transmitting and/or receiving electromagnetic waves within the at least one narrow bandwidth, the elements being arranged relative to one another so as to produce overlapping radiating spots.
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