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Proceedings Paper

Simple Köhler homogenizers for image-forming solar concentrators
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Paper Abstract

By adding simple Köhler homogenizers in the form of aspheric lenses generated with an optimization approach, we solve the problems of non-uniform irradiance distribution and non-square irradiance pattern existing in some image-forming solar concentrators. The homogenizers do not require optical bonding to the solar cells or total internal reflection surface. Two examples are shown including a Fresnel lens based concentrator and a two-mirror aplanatic system.

Paper Details

Date Published: 19 August 2010
PDF: 4 pages
Proc. SPIE 7785, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VII, 77850E (19 August 2010); doi: 10.1117/12.863251
Show Author Affiliations
Weiya Zhang, Univ. of California, Merced (United States)
Roland Winston, Univ. of California, Merced (United States)


Published in SPIE Proceedings Vol. 7785:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration VII
Roland Winston; Jeffrey M. Gordon, Editor(s)

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