Regensburg 2013 – wissenschaftliches Programm

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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 36.23: Poster

Dienstag, 12. März 2013, 18:15–21:45, Poster B2

Multicolor strong-field photoemission from metal nanotips — •Lara Wimmer, Georg Herink, Katharina Echternkamp, Daniel Solli, Sergej Yalunin, and Claus Ropers — Materials Physics Institute and Courant Research Centre, University of Göttingen, Friedrich-Hund-Platz 1, 37077 Göttingen

We study strong-field photoemission from plasmonic nanotips driven by ultrashort laser pulses over a large spectral range. External static and optical fields enable us to control the photoemission process in a variety of ways. In multicolor scenarios, the cross-coupling of driving pulses at different wavelengths is investigated theoretically and experimentally, and the potential for ultrafast gating and steering of electrons in nanostructures is demonstrated.

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