a r t i c l e i n f o Article history: Received 11 July 2014 Accepted 29 July 2015 Keywords: Concentrated photovoltaics Holographic concentrator Diffraction efficiency Spectrum
a r t i c l e i n f oArticle history:Received 11 July 2014Accepted 29 July 2015Keywords:Concentrated photovoltaicsHolographic concentratorDiffraction efficiencySpectrum