Hamburg Photon Science Colloquium: PLASMON-ENHANCED RAMAN SCATTERING

by Stephanie Reich (Freie Universität Berlin, Fachbereich Physik, Berlin)

Friday 8 Jul 2016, 14:00 → 15:00 Europe/Berlin

CFEL, Bldg. 99 (DESY Hamburg)

Plasmons are the collective excitations of free electrons. They focus light into nanoscale volumes, increasing electromagnetic fields by orders of magnitude. Plasmonic enhancement in light scattering (SERS) leads to a 10⁸ increase in the cross section. I will present Raman measurements on graphene and nanotubes coupled to nanoplasmons. The enhancement will be described as a higher-order Raman process with striking consequences for our understanding of plasmon-matter interaction at the nanoscale.