Aplanatic double reflection system for thermophotovoltaic applications: design.
Applied Optics
|April 8, 2010
Summary
A novel solar concentrator design using spherical and Fresnel mirrors eliminates optical aberrations. This design offers high concentration ratios, making it ideal for thermophotovoltaic energy applications.
Area of Science:
- Optical Engineering
- Renewable Energy Systems
Background:
- Spherical aberration and coma limit the performance of traditional solar concentrators.
- High concentration ratios are crucial for efficient energy conversion in applications like thermophotovoltaics.
Purpose of the Study:
- To present a novel solar concentrator design that overcomes spherical aberration and coma.
- To develop an easily constructible optical system with high concentration ratios for thermophotovoltaic applications.
Main Methods:
- The design utilizes a spherical mirror combined with Fresnel mirror facets arranged on a spherical surface.
- The deployment ensures the sine condition is met, correcting optical aberrations.
Main Results:
- The proposed optical system effectively eliminates spherical aberration and coma.
- High concentration ratios are achieved with a narrow beam aperture near the receiver.
Conclusions:
- The described solar concentrator design is a significant advancement in optical engineering.
- Its features make it particularly well-suited for high-performance thermophotovoltaic energy systems.
