Scattering spectroscopy on single plasmonic nanoparticles using a confocal darkfield setup Mees Dieperink, Francesca Scalerandi, Patrick Spaeth and Wiebke Albrecht EPJ Web Conf., 287 (2023) 14008 Published online: 18 October 2023 DOI: 10.1051/epjconf/202328714008