Dielectric microconcentrators for efficiency enhancement in concentrator solar cells Korech, Omer ; Gordon, Jeffrey M. ; Katz, Eugene A. ; Feuermann, Daniel ; Eisenberg, Naftali Abstract Publication: Optics Letters Pub Date: 2007 DOI: 10.1364/OL.32.002789 Bibcode: 2007OptL...32.2789K