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Opt Express. 2010 Jun 21;18 Suppl 2:A126-32. doi: 10.1364/OE.18.00A126.

Evolutionary algorithm for optimization of nonimaging Fresnel lens geometry.

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  • 1Department of Mechanical Engineering, Nagaoka University of Technology, Nagaoka 940-2188, Japan. noboru@nagaokaut.ac.jp

Abstract

In this study, an evolutionary algorithm (EA), which consists of genetic and immune algorithms, is introduced to design the optical geometry of a nonimaging Fresnel lens; this lens generates the uniform flux concentration required for a photovoltaic cell. Herein, a design procedure that incorporates a ray-tracing technique in the EA is described, and the validity of the design is demonstrated. The results show that the EA automatically generated a unique geometry of the Fresnel lens; the use of this geometry resulted in better uniform flux concentration with high optical efficiency.

PMID:
20588580
[PubMed]
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