Three-zone multifocus hybrid Fresnel lens concentrator

Ya Chi Lu; Jui Wen Pan

doi:10.1364/AO.420093

Three-zone multifocus hybrid Fresnel lens concentrator

Ya Chi Lu, Jui Wen Pan^*

^*Corresponding author for this work

Institute of Photonic System

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, we designed a three-zone multifocus hybrid Fresnel lens concentrator without a homogenizer. This concentrator uses three types of prisms: A refractive prism, a single total internal reflection (STIR) prism, and a double TIR (DTIR) prism. In order to achieve a uniformirradiance distribution, the Fresnel lens is cut into four quadrants and reconnected. Moreover, by decreasing the angle of the edge ray, the hot spot effects caused by the STIR and DTIR prisms can be reduced. Finally, the three-zone multifocus hybrid Fresnel lens concentrator can achieve a geometric concentration ratio of 2121X, f-number of 0.441, optical efficiency of 76.570%, acceptance angle of ±0.268°, uniformity of 57.002%, and hot spot criteria of 1.369.

Original language	English
Pages (from-to)	3281-3289
Number of pages	9
Journal	Applied Optics
Volume	60
Issue number	12
DOIs	https://doi.org/10.1364/AO.420093
State	Published - 20 Apr 2021

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title = "Three-zone multifocus hybrid Fresnel lens concentrator",

abstract = "In this paper, we designed a three-zone multifocus hybrid Fresnel lens concentrator without a homogenizer. This concentrator uses three types of prisms: A refractive prism, a single total internal reflection (STIR) prism, and a double TIR (DTIR) prism. In order to achieve a uniformirradiance distribution, the Fresnel lens is cut into four quadrants and reconnected. Moreover, by decreasing the angle of the edge ray, the hot spot effects caused by the STIR and DTIR prisms can be reduced. Finally, the three-zone multifocus hybrid Fresnel lens concentrator can achieve a geometric concentration ratio of 2121X, f-number of 0.441, optical efficiency of 76.570%, acceptance angle of ±0.268°, uniformity of 57.002%, and hot spot criteria of 1.369. ",

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Three-zone multifocus hybrid Fresnel lens concentrator

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