High concentration and homogenized Fresnel lens without secondary optics element

Jui-Wen Pan*, Jiun Yang Huang, Chih Ming Wang, Hwen Fen Hong, Yi Ping Liang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

In this paper, we design a single concentrator to homogenize and concentrate the solar energy. The proposed concentrator only consisted of an array of refraction prisms. In order to homogenize the irradiance, all pitches of the Fresnel concentrator focus on the different position of the receiver. Finally, the Fresnel lens that achieves the uniformity of U is 14.6. An acceptance angle of 0.305° is achieved without using additional secondary optics. Full Width at Half Maximum (FWHM) of illumination distribution is 1.4 mm.

Original languageEnglish
Pages (from-to)4283-4288
Number of pages6
JournalOptics Communications
Volume284
Issue number19
DOIs
StatePublished - 1 Sep 2011

Keywords

  • Acceptance angle
  • F-number
  • Fresnel lens
  • Secondary optics element
  • Uniformity

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