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Related Experiment Video

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Fabrication of High Contrast Gratings for the Spectrum Splitting Dispersive Element in a Concentrated Photovoltaic System
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Published on: July 18, 2015

Solar concentrator constructed with a circular prism array.

Jia-hong Huang1, Wun-Ciang Fei, Wei-Chi Hsu

  • 1Graduate Institute of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan.

Applied Optics
|August 11, 2010
PubMed
Summary
This summary is machine-generated.

A novel solar concentrator design uses a circular prism array to achieve high optical efficiency and concentration. This compact device efficiently collects solar energy, offering potential for standalone use or as a secondary concentrator.

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Area of Science:

  • Optics and Photonics
  • Renewable Energy Technologies

Background:

  • Traditional solar concentrators often require significant space for light ray propagation.
  • Improving the efficiency and compactness of solar energy collection is crucial for renewable energy advancements.

Purpose of the Study:

  • To introduce and evaluate a novel solar concentrator design utilizing a circular prism array.
  • To assess the optical performance and concentration capabilities of the proposed structure.

Main Methods:

  • Utilized FRED ray tracing software to simulate the optical performance of the circular prism array solar concentrator.
  • Conducted simulations for both single-wavelength and broadband light incidence.
  • Evaluated the device's performance under normal incidence with antireflection coating.

Main Results:

  • Achieved an optical efficiency of 90% at a single wavelength (0.87 micrometers) with antireflection coating.
  • Reached a geometric concentration ratio of 93 for the standalone device.
  • When used as a secondary concentrator with a Fresnel lens, achieved 92% overall efficiency and a concentration ratio of 837.

Conclusions:

  • The proposed circular prism array solar concentrator offers a space-saving and efficient solution for solar energy collection.
  • The device demonstrates high performance both as a standalone unit and as a secondary concentrator, enhancing existing solar energy systems.