Comparison of achromatic doublet on glass Fresnel lenses for concentrator photovoltaics

Silicone on glass (SoG) Fresnel lenses are the reference technology in concentrator photovoltaics (CPV) because of their simplicity and low cost. Nevertheless, their performance is strongly limited by chromatic aberration. As an alternative, in order to overcome such limitation, achromatic doublet o...

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Bibliographic Details
Published in:Optics express 2021-06, Vol.29 (13), p.20601-20616
Main Authors: Vallerotto, Guido, Victoria, Marta, Jost, Norman, Askins, Stephen, Domínguez, César, Herrero, Rebeca, Antón, Ignacio
Format: Article
Language:English
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Summary:Silicone on glass (SoG) Fresnel lenses are the reference technology in concentrator photovoltaics (CPV) because of their simplicity and low cost. Nevertheless, their performance is strongly limited by chromatic aberration. As an alternative, in order to overcome such limitation, achromatic doublet on glass (ADG) Fresnel lenses were proposed. Such lenses are achromatic cemented doublet specifically designed for CPV applications. In this paper, a novel ADG architecture is presented and its performance analyzed and compared to previous proposals. The results show that most of the intrinsic optical losses are minimized and a superior optical efficiency can be achieved. The novel ADG design provides an achromatic lens for CPV whose efficiency is almost equal to the reference SoG technology and, at the same time, maintains all the advantages provided by the achromatic design such as the higher maximum attainable concentration and the strongly reduced temperature dependency.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.428160