Solar panel with light focusing optics and waveguide

G - Physics – 02 – B

Patent

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Details

G02B 17/08 (2006.01) F24J 2/16 (2006.01) F24J 2/18 (2006.01) G02B 27/00 (2006.01) H01L 31/052 (2006.01)

Patent

CA 2690311

An apparatus is provided for the concentration of solar energy in a panel from a large receiving surface to a small emitting region. An optical element array directs incident sunlight by total internal reflection through a series of apertures where the light is laterally propagated between two mirrored surfaces to a region for harvesting by a solar energy collector such as a photo-voltaic cell or heat absorbent material. The optical element array and mirrored surfaces can be made extremely thin. The invention can advantageously reduce the size, weight and cost of the panel. Further the lateral propagation of concentrated light in an air medium reduces light absorption by the apparatus material resulting in less heat buildup.

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