Evanescent electromagnetic wave conversion lenses I
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United States of America Patent
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Jul 14, 2015
Grant Date -
Oct 21, 2010
app pub date -
Oct 30, 2009
filing date -
Apr 17, 2009
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Abstract
Apparatus, methods, and systems provide conversion of evanescent electromagnetic waves to non-evanescent electromagnetic waves and/or conversion of non-evanescent electromagnetic waves to evanescent electromagnetic waves. In some approaches the conversion includes propagation of electromagnetic waves within an indefinite electromagnetic medium, and the indefinite medium may include an artificially-structured material such as a layered structure or other metamaterial.
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