International Journal of Photoenergy / 2014 / Article / Fig 7

Research Article

Achromatic Fresnel Lens with Improved Efficiency for PV Systems

Figure 7

Efficiency of achromatic and standard Fresnel lenses for 0.4° and 1° incidence.
787392.fig.007a
(a) Efficiency versus wavelength. Incidence angle 0.4°
787392.fig.007b
(b) Efficiency versus wavelength. Incidence angle 1°