Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei Wu0
Joseph Straznicky0
M. Saiful Islam0
Philip J Kuekes0
Shih-Yuan Wang0
Date of Patent
April 17, 2007
0Patent Application Number
109311480
Date Filed
August 30, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A composite material and related methods are described, the composite material being configured to exhibit a negative effective permittivity and/or a negative effective permeability for incident radiation at an operating wavelength, the composite material comprising an arrangement of electromagnetically reactive cells of small dimension relative to the operating wavelength. Each cell includes an externally powered gain element for enhancing a resonant response of that cell to the incident radiation at the operating wavelength.
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