Cassegrain-based concentrator with tailored mirrors

Chi Lun Huang, Hwen Fen Hong, Chun Yi Chen, Jui-Wen Pan*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


In this study, we design a Cassegrain-based concentrator with tailored mirrors. The proposed concentrator comprises a primary optical element (POE) and a secondary optical element (SOE). The POE is a parabolic concave mirror and the SOE is a hyperbolic convex mirror. In order to achieve uniform irradiance distribution without a homogenizer, the POE is tailored and tilted to generate a uniform distribution by overlapping the energy well. The Cassegrain-based concentrator with tailored mirrors can achieve a geometric concentration ratio of 1236×, a concentration ratio of 1034×, an optical efficiency of 83.66%, an acceptance angle of ±0.38, a uniformity of 7.87, and an aspect ratio of 0.254.

Original languageEnglish
Pages (from-to)8603-8611
Number of pages9
JournalApplied Optics
Issue number28
StatePublished - Sep 2020


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