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Hannover 2016 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 58: Poster: Quantum Optics and Photonics IV

Q 58.60: Poster

Thursday, March 3, 2016, 16:30–19:00, Empore Lichthof

Experimental study of photoelectronic angular distributions using velocity map imaging: Intensity and CEP effects — •Eike Lübking1, Thomas Gaumnitz2, Christoph Vorndamme1, Tamas Nagy1, Torsten Hartmann1, Uwe Morgner1, Thorsten Uphues2, and Milutin Kovacev11Institut für Quantenoptik, Leibniz Universität Hannover, Welfengarten 1, 30167 Hannover, Germany — 2Center for Free-Electron Laser Science, Universität Hamburg, Luruper Chausee 149, 22761 Hamburg, Germany

A Velocity Map Imaging Spectrometer (VMIS) was used to study the angular and energy distributions of photoelectrons created in the ultrashort-pulse ionization of xenon and argon.

The intensity dependence of these distributions can be utilised to gain insight into the diverse participating processes, e.g. channel switching and resonant and non-resonant ionization.

By using a CEP-stabilized laser source generating few-cycle pulses, we were also able to study the influence of the carrier-envelope phase (CEP) on the photoelectronic angular distributions.

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