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Regensburg 2013 – scientific programme

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O: Fachverband Oberflächenphysik

O 36: Poster Session II (Organic films and electronics, photoorganics; Nanostructures; Plasmonics and nanooptics, Surface chemical reactions and heterogeneous catalysis, Surface dynamics )

O 36.46: Poster

Tuesday, March 12, 2013, 18:15–21:45, Poster B2

Spatiotemporal characterisation of nanofabricated silver plasmonic waveguides using 2P-PEEM — •Kellie Pearce1,2, Christian Späth1, Soo Hoon Chew1,2, Sebastian Nobis1, Anika Spreen1, Jürgen Schmidt1, and Ulf Kleineberg11Department of Physics, Ludwig Maximilian University of Munich, Garching, Germany — 2Max Planck Institute of Quantum Optics, Garching, Germany

We characterise the static and dynamic properties of plasmonic waveguides and nanostructures using two-photon photoemission electron microscopy (2P-PEEM). The influence of the size, shape, and length of nanolithographically fabricated silver arrow-like waveguides on the surface plasmon excitation, propagation and focussing is investigated. In addition, we examine the polarization dependence of hotspots in coupled structures such as silver bow ties and chemically-synthesised gold nanospheres. Characterisation is performed as a first step towards time-resolved measurements using 10kHz few-cycle laser pulses.

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