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Optimization of achromatic doublet on glass (ADG) Fresnel lens for different solar cell technologies

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  • Guido Vallerotto, Technical University of Madrid
  • ,
  • Norman Jost, Technical University of Madrid
  • ,
  • Marta Victoria
  • Stephen Askins, Technical University of Madrid
  • ,
  • César Domínguez, Technical University of Madrid
  • ,
  • Ignacio Antón, Technical University of Madrid

Silicone on glass (SoG) Fresnel lenses are the reference technology in concentrator photovoltaics (CPV) because of their simplicity, cheapness, and proven long-term reliability. However, they are strongly affected by the chromatic aberration. In order to overcome this limitation, the achromatic doublet on glass (ADG) was proposed. Such technology merges the achromatic doublet concept and the simplicity and reliability of the SoG manufacturing process obtaining a cost-effective lens with highly reduced chromatic aberration. In previous works the ADG concept was experimentally demonstrated. Nevertheless, despite the achromatic behavior, the ADG has a low optical efficiency caused by both geometrical and absorption losses. In this work the authors present an alternative ADG architecture with the potential of significantly reduce the main sources of losses and to achieve a superior efficiency. Furthermore, an optimization of the ADG design parameters focused to its application with specific solar cell technologies is presented. The results demonstrated that the technology has the potential of achieving the same efficiency of the SoG technology maintaining the advantages of the achromatic design in term of spectral uniformity and reduced temperature dependency.

Titel17th International Conference on Concentrator Photovoltaic Systems, CPV 2021
RedaktørerCesar Dominguez, Maike Wiesenfarth, Kensuke Nishioka
Antal sider7
ForlagAmerican Institute of Physics
Udgivelsesårsep. 2022
ISBN (Elektronisk)9780735443921
StatusUdgivet - sep. 2022
Begivenhed17th International Conference on Concentrator Photovoltaic Systems, CPV 2021 - Pforzheim, Tyskland
Varighed: 12 apr. 202114 apr. 2021


Konference17th International Conference on Concentrator Photovoltaic Systems, CPV 2021
SerietitelAIP Conference Proceedings

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