Perfect optical absorption with nanostructured metal films: design and experimental demonstration Perrakis, George ; Tsilipakos, Odysseas ; Kenanakis, George ; Kafesaki, Maria ; Soukoulis, Costas M. ; Economou, Eleftherios N. Abstract Publication: Optics Express Pub Date: March 2019 DOI: 10.1364/OE.27.006842 Bibcode: 2019OExpr..27.6842P