Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alastair Paul Hibbins0
John Roy Sambles0
Christopher Robert Lawrence0
Andrew Shaun Treen0
Date of Patent
September 2, 2008
0Patent Application Number
105650470
Date Filed
July 19, 2004
0Patent Primary Examiner
Patent abstract
An electromagnetic radiation absorber for absorbing radiation in the wavelength range λmin to λmax. The absorber has a conductor layer in contact with a dielectric layer. The conductor layer carries a plurality of apertures of sub-wavelength dimension and the thickness of the absorber is less than λmin/4n, where n is the refractive index of the dielectric. The dielectric layer may be sandwiched between two conductor layers, one of which has the structure described above. The invention is also directed to various articles comprising such an absorber.
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