Achromatic Fresnel Lens with Improved Efficiency for PV Systems

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Design parameters</td><td align="center">Achromatic lens 1</td><td align="center">Achromatic lens 2</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Steep size (mm)</td><td align="center">0.5</td><td align="center">0.5</td></tr><tr><td align="left">Steep angle (°)</td><td align="center">Minimum difference (PC-PMMA)</td><td align="center">Average difference (PC-PMMA)</td></tr><tr><td align="left">Reference point</td><td align="center">Edge of prism step</td><td align="center">Middle of prism step</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Achromatic lenses and distinguishing parameters.

International Journal of Photoenergy

tab1

Table 1

Table 1: Achromatic Fresnel Lens with Improved Efficiency for PV Systems 