Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 18, 2011
Patent Application Number
12283352
Date Filed
September 10, 2008
Patent Primary Examiner
Patent abstract
Apparatus, methods, and systems provide emitting, field-adjusting, and focusing of electromagnetic energy. In some approaches the field-adjusting includes providing an extended depth of field greater than a nominal depth of field. In some approaches the field-adjusting includes field-adjusting with a transformation medium, where the transformation medium may include an artificially-structured material such as a metamaterial.
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