Article (Scientific journals)
Flat Fresnel doublets made of PMMA and PC: combining low cost production and very high concentration ratio for CPV
Languy, Fabian; Fleury-Frenette, Karl; Lenaerts, Cedric et al.
2011In Optics Express, 19 (S3), p. 280-A294
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Keywords :
Frensnel; Hybrid; Doublets; Solar concentration; Photovoltaics; Chromatic aberration
Abstract :
[en] The linear chromatic aberration (LCA) of several combinations of polycarbonates (PCs) and poly (methyl methacrylates) (PMMAs) as singlet, hybrid (refractive/diffractive) lenses and doublets operating with wavelengths between 380 and 1600 nm – corresponding to a typical zone of interest of concentrated photovoltaics (CPV) – are compared. Those comparisons show that the maximum theoretical concentration factor for singlets is limited to about 1000 × at normal incidence and that hybrid lenses and refractive doublets present a smaller LCA increasing the concentration factor up to 5000 × and 2 × 106 respectively. A new achromatization equation more useful than the Abbé equation is also presented. Finally we determined the ideal position of the focal point as a function of the LCA and the geometric concentration which maximizes the flux on the solar cell.
Disciplines :
Physics
Author, co-author :
Languy, Fabian ;  Université de Liège - ULiège > Département de physique > Optique - Hololab
Fleury-Frenette, Karl ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Lenaerts, Cedric ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Loicq, Jerôme  ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Regaert, Donat
Thibert, Tanguy ;  Université de Liège - ULiège > CSL (Centre Spatial de Liège)
Habraken, Serge  ;  Université de Liège - ULiège > Département de physique > Optique - Hololab
Language :
English
Title :
Flat Fresnel doublets made of PMMA and PC: combining low cost production and very high concentration ratio for CPV
Publication date :
29 March 2011
Journal title :
Optics Express
eISSN :
1094-4087
Publisher :
Optical Society of America, Washington, United States - District of Columbia
Special issue title :
Energy Express
Volume :
19
Issue :
S3
Pages :
A280-A294
Peer reviewed :
Peer Reviewed verified by ORBi
Commentary :
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since 19 May 2011

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