Negatively-refractive focusing and sensing apparatus, methods, and systems
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United States of America Patent
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Apr 28, 2015
Grant Date -
Dec 3, 2009
app pub date -
Jul 25, 2008
filing date -
May 30, 2008
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Abstract
Apparatus, methods, and systems provide negatively-refractive focusing and sensing of electromagnetic energy. In some approaches the negatively-refractive focusing includes providing an interior focusing region with an axial magnification substantially greater than one. In some approaches the negatively-refractive focusing includes negatively-refractive focusing with a transformation medium, where the transformation medium may include an artificially-structured material such as a metamaterial.
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