Three-zone multifocus hybrid Fresnel lens concentrator

被引：2
|
作者：
Lu, Ya-Chi [1 ]
Pan, Jui-Wen [2 ]
机构：
[1] Natl Yang Ming Chiao Tung Univ, Inst Lighting & Energy Photon, Tainan 71150, Taiwan
[2] Natl Yang Ming Chiao Tung Univ, Inst Photon Syst, Tainan 71150, Taiwan
来源：
APPLIED OPTICS | 2021年 / 60卷 / 12期
关键词：
DESIGN; IRRADIANCE;
D O I：
10.1364/AO.420093
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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 uniform irradiance 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 degrees, uniformity of 57.002%, and hot spot criteria of 1.369. (C) 2021 Optical Society of America
引用
收藏
页码：3281 / 3289
页数：9
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