Regensburg 2016 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 59: Photonics and Nanooptics III: Fabrication and Characterization
O 59.12: Vortrag
Mittwoch, 9. März 2016, 17:45–18:00, S051
Complete analysis of plasmon transmission through top-down fabricated monocrystalline nanowires — •Enno Krauss1, Gary Razinskas1, Peter Geisler1, and Bert Hecht1,2 — 1NanoOptics & Biophotonics Group, Experimentelle Physik 5, Physikalisches Institut, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany — 2Röntgen Research Center for Complex Material Systems (RCCM), Am Hubland, 97074 Würzburg, Germany
Exact quantitative understanding of plasmon propagation along nanowires is mandatory for designing and creating functional devices. We investigate plasmon transmission through top-down fabricated single crystalline gold nanowires on a glass substrate. We show that the transmission through finite length nanowires can be described by Fabry-Pérot oscillations that beat with free-space propagating light launched at the incoupling end. Using this extended Fabry-Pérot model, experimental and simulated length dependent transmissions agree quantitatively with a fully analytical model.