Method and apparatus for concentrating optical radiation using light trapping elements
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United States of America Patent
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Feb 5, 2008
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Feb 5, 2008
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Abstract
A holographic planar concentrator for collecting and concentrating solar radiation with light trapping elements. A holographic planar concentrator (HPC) comprises a transparent planar plate with at least one holographic film mounted on the face of the planar plate and a solar energy collecting device attached to at least one edge of the planar plate with a reflective surface or coating mounted along the remaining edges of the planar plate. A holographic planar concentrator with light trapping elements reduces potential light losses, and the amount solar energy collecting material required while enabling a more uniform visual appearance and lower manufacturing and installation costs.
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