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Energy Express

  • Editor: Bernard Kippelen
  • Vol. 19, Iss. S3 — May. 9, 2011
  • pp: A280–A294

Flat Fresnel doublets made of PMMA and PC: combining low cost production and very high concentration ratio for CPV

Fabian Languy, Karl Fleury, Cédric Lenaerts, Jérôme Loicq, Donat Regaert, Tanguy Thibert, and Serge Habraken  »View Author Affiliations

Optics Express, Vol. 19, Issue S3, pp. A280-A294 (2011)

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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.

© 2011 OSA

OCIS Codes
(160.4760) Materials : Optical properties
(220.1000) Optical design and fabrication : Aberration compensation
(220.1770) Optical design and fabrication : Concentrators
(050.1965) Diffraction and gratings : Diffractive lenses
(080.4298) Geometric optics : Nonimaging optics

ToC Category:
Solar Concentrators

Original Manuscript: March 4, 2011
Revised Manuscript: March 28, 2011
Manuscript Accepted: March 29, 2011
Published: April 8, 2011

Fabian Languy, Karl Fleury, Cédric Lenaerts, Jérôme Loicq, Donat Regaert, Tanguy Thibert, and Serge Habraken, "Flat Fresnel doublets made of PMMA and PC: combining low cost production and very high concentration ratio for CPV," Opt. Express 19, A280-A294 (2011)

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