CONSTRUCTION OF HYPERBOLIC METAMATERIAL FOR AN OPTICAL SPECTRAL RANGE
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United States of America Patent
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Issued Date -
Jun 16, 2016
app pub date -
Nov 6, 2015
filing date -
Dec 12, 2014
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Abandoned
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Abstract
Construction of hyperbolic metamaterial for electromagnetic radiation in an optical spectral range is described. Example processes relate to the technical art of metamaterials of the optical region of wavelengths and can be applied for creation of artificial materials changing the features in optical region of wavelengths. An example process widens the working region of wavelengths due to periodic system of nanorods in a definite range of diameters and heights. An example construction is fulfilled of aluminum oxide ceramics with periodic system of nanoholes with the diameters from 30 till 50 nm are filled with the particles of noble metals forming metal nanorods with the height from 3 till 10 diameters of pores from the side of the surface of dielectric substrate turned toward the source of electromagnetic radiation. To provide mechanical strength the thickness of the substrate should be not less than 30 μm.
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