Regensburg 2004 – scientific programme
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O: Oberflächenphysik
O 28: Postersitzung (Elektronische Struktur, Grenzfläche fest-flüssig, Halbleiteroberflächen und -grenzflächen, Magnetismus und Symposium SYXM, Methodisches, Nanostrukturen, Oberflächenreaktionen, Teilchen und Cluster, Zeitaufgelöste Spektroskopie)
O 28.54: Poster
Wednesday, March 10, 2004, 16:00–19:00, Bereich C
Surface Plasmon Propagation In Metallic Nanostructures — •Phillip Olk1, Jan Seidel1, Stefan Grafström1, Eng Lukas1, Fadi Baida2, Daniel Van Labeke2, Marcell Ott3, and Lothar Bischoff4 — 1Institut für Angewandte Photophysik, TU Dresden, 01062 Dresden — 2Laboratoire d’Optique P.M. Duffieux, CentreNational de La Recherche Scientifique, Unité Mixte deRecherche 6603, Université de Franche–Comté, F-25030Besançon Cedex, France — 3Organic Chemistry III / Macromolecular Chemistry, Universität Ulm, 89081 Ulm — 4Research Center Rossendorf, Institute of Ion BeamPhysics and Materials Research, 01314 Dresden
Propagation of surface plasmons in metallic nanostructures and their interaction with defined surface features are presented. We use near-field optical methods in order to reveal various properties of such travelling surface waves, like optical transmission across barriers or coupling to free space electromagnetic waves. These characteristics are directly determined using an attenuated-total-reflection (ATR) excitation scheme together with dielectric fiber probes for near-field optical detection. We show results on plasmon propagation in self-assembled cluster films, discussing propagation lengths and resonance conditions. Furthermore, we present an experimental and theoretical analysis of plasmon mode coupling in continuous metallic films mediated by a single groove structure produced by focused ion beam (FIB) writing.