Experiments and simulations of chiro-optical response in lowcost nanohole arrays in silver Emilija Petronijevic, Zakaria El-ansary, Bilal Brioual, Alessandro Belardini, Hari Prasath Ram Kumar, Tiziana Cesca, Carlo Scian, Giovanni Mattei and Concita Sibilia EPJ Web Conf., 266 (2022) 09006 Published online: 13 October 2022 DOI: 10.1051/epjconf/202226609006