Optical Concentrator and Associated Photovoltaic Devices
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United States of America Patent
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Issued Date -
Dec 25, 2014
app pub date -
Dec 20, 2012
filing date -
Dec 21, 2011
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Abandoned
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Abstract
Disclosed is a transmissive optical concentrator comprising an elliptical collector aperture and a non-elliptical exit aperture, the concentrator being operable to concentrate radiation incident on said collector aperture. The body of said concentrator may have a substantially hyperbolic external profile. Also disclosed is a photovoltaic cell employing such a concentrator and a photovoltaic building unit comprising an array of optical transmissive concentrators, each having an elliptical collector aperture; and an array of photovoltaic cells, each aligned with an exit aperture of a concentrator, wherein the area between adjacent collector apertures is transmissive to visible radiation.
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