OPTICAL COLLAGE REFLECTARRAY
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United States of America Patent
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May 26, 2016
app pub date -
Jul 15, 2014
filing date -
Jul 15, 2014
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Abstract
A reflectarray for shaping electromagnetic radiation having a characteristic wavelength in an operating band of wavelengths, the reflectarray comprising: a planar backplane that reflects the electromagnetic radiation; a dielectric layer located on the backplane; a plurality of cells, each cell characterized by a maximum dimension less than the characteristic wavelength of the radiation and comprising an array of at least two antennas having different shapes that reflect the electromagnetic radiation; wherein the antennas in the plurality of cells are coplanar.
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