We design Fresnel mirrors by using an exact ray tracing considering an incident plane wavefront propagating along the optical axis, impinging at arbitrary reflective surfaces, in order to efficiently redirect the light at a predefined area where will be placed the absorber. The solar concentrator consists of a set of planar mirrors, each one has its own slope in such a way that all the rays impinging on it will be focused at a predefined area as a CPC does. Finally, we provide a qualitative test for a commercial FM based on the null screen method.

Date Published: 9 September 2019
PDF: 8 pages
Proc. SPIE 11120, Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI, 111200S (9 September 2019); doi: 10.1117/12.2529514

Published in SPIE Proceedings Vol. 11120:
Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI
Roland Winston; Eli Yablonovitch, Editor(s)