Languy Fabian, Fleury Karl, Lenaerts Cédric, Loicq Jérôme, Regaert Donat, Thibert Tanguy, Habraken Serge
Hololab, Physics Department, Bat. B5a, Université de Liège, 17 allée du 6 Août, B-4000 Liège, Belgium.
Opt Express. 2011 May 9;19 Suppl 3:A280-94. doi: 10.1364/OE.19.00A280.
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 × 10(6) 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.
比较了几种聚碳酸酯（PC）和聚甲基丙烯酸甲酯（PMMA）组合作为单透镜、混合（折射/衍射）透镜和双合透镜在380至1600纳米波长范围内工作时的线性色差（LCA），该波长范围对应于聚光光伏（CPV）的典型感兴趣区域。这些比较表明，单透镜在正入射时的最大理论聚光倍数限制在约1000倍，而混合透镜和折射双合透镜的线性色差较小，聚光倍数分别提高到5000倍和2×10⁶倍。还提出了一个比阿贝方程更有用的新消色差方程。最后，我们确定了焦点的理想位置，它是线性色差和几何聚光的函数，可使太阳能电池上的光通量最大化。
