Düsseldorf 2007 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 23: Poster II - Interaction with strong or short laser pulses
A 23.16: Poster
Donnerstag, 22. März 2007, 16:30–18:30, Poster B
Ionization of helium by 5.9fs elliptical laser pulses — •Mathias Smolarski1, André Staudte2, Markus Schöffler1, Ottmar Jagutzki1, Reinhard Dörner1, Petrissa Eckle3, Philip Schlup3, Jens Biegert4, and Ursula Keller3 — 1Institut für Kernphysik, Johann Wolfgang Goethe Universität, Max-Von-Laue-Str. 1, 60438 Frankurt am Main, Germany — 2Steacie Institute for Molecular Sciences, National Research Council of Canada, 100 Sussex Drive Ottawa, ON K1A 0R6 Canada — 3Department Physik, ETH Zurich, Wolfgang-Pauli-Str. 16, 8093-Zurich, Switzerland — 4ICFO - Institut de Ciències Fotòniques, Parc Mediterrani de la Tecnologia, Av. del Canal Olímpic s/n, 08860 Castelldefels, (Barcelona), Spain
The present work presents the momentum distribution of helium ions, created in the single ionization of helium by a 5.9 fs, CEO phase stabilized laser pulse with a small ellipticity. The difference from the expected momentum distribution created by circular light is explained using the ADK theory and classical propagation of the particles in the electric field of the laser.