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Proceedings Article

A study for the special Fresnel lens for high efficiency solar concentrators

[+] Author Affiliations
Jian-Shian Lin, Hsiu-Chen Hsu

Industrial Technology Research Institute (Taiwan)

Wei-Chih Huang, Ming-Wen Chang, Chung-Ping Liu

Yuan Ze Univ. (Taiwan)

Proc. SPIE 5942, Nonimaging Optics and Efficient Illumination Systems II, 59420X (August 20, 2005); doi:10.1117/12.614298
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From Conference Volume 5942

  • Nonimaging Optics and Efficient Illumination Systems II
  • Roland Winston; R. John Koshel
  • San Diego, California, United States | July 31, 2005

abstract

Design a Fresnel lens for a concentrator to collect more sunlight onto the solar cell due to the efficiency and cost. Since 1970, the non-imaging concentrator was used for solar energy; most of them were reflecting mirrors. The non-imaging optical system provides large aperture and forgiving imaging requirements. The Fresnel lens used in non-imaging optical system was usually called non-imaging Fresnel lens. In this research, the Fresnel lenses were refracting optical elements but diffracting ones. According to the method of Ralf Leutz and Akio Suzuki [2], using minimum deviation and minimum dispersion to design a non-imaging Fresnel lens, which obeys the edge ray principle. Use optical software TracePro to simulate the non-imaging Fresnel lens, and each pitch size was 0.3mm and 200mm focus distant. Discusses the losses of non-imaging Fresnel lens and find out the relation of efficiency and F-Number. The optical concentration ratio could reach 15X (2-D) and 230X (3-D).

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jian-Shian Lin ; Wei-Chih Huang ; Hsiu-Chen Hsu ; Ming-Wen Chang and Chung-Ping Liu
"A study for the special Fresnel lens for high efficiency solar concentrators", Proc. SPIE 5942, Nonimaging Optics and Efficient Illumination Systems II, 59420X (August 20, 2005); doi:10.1117/12.614298; http://dx.doi.org/10.1117/12.614298


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