Compact radio frequency lenses
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United States of America Patent
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Dec 12, 2017
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app pub date -
Mar 16, 2015
filing date -
Mar 17, 2014
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Abstract
Compact lacunated lenses having a lens body with a plurality of input ports, (which may correspond to a predetermined steering angle), a plurality of output ports, and a plurality of holes/openings in the lens body, wherein the openings are arranged through the lens body so that an electromagnetic signal entering the lens body from any one of the input ports will exit from each of the output ports at a time delay corresponding to the predetermined steering angle of the input port from which the electromagnetic signal entered the lens body. The lenses may be used for RF signals between 2 GHz and 30 GHz for beamforming, and may have a diameter of less than 10 cm. The lenses may also be used for amplification. Methods of using these lenses and phase array antennas including these lenses are also described.
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