Photo-acoustic technique with widely tuneable laser: Metasurface circular dichroism responseClaudia Skubisz, Emilija Petronijevic, Grigore Leahu, Tiziana Cesca, Carlo Scian, Giovanni Mattei, Concita Sibilia and Alessandro BelardiniJ. Eur. Opt. Society-Rapid Publ., 20 1 (2024) 20DOI: https://doi.org/10.1051/jeos/2024016