Heidelberg 2015 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 16: Interaction with strong or short laser pulses I

A 16.4: Vortrag

Dienstag, 24. März 2015, 15:15–15:30, C/kHS

Measurements and Semi-classical analysis of Above Threshold Ionization Spectra in Orthogonal Two Color Fields — •Daniel Würzler1,2, Max Möller1,2, Max Sayler1,2, and Gerhard G. Paulus1,21Institute of Optics and Quantum Electronics, Friedrich Schiller University Jena, Germany — 2Helmholtz Institute Jena, Germany

Recent research shows that orthogonally polarized two color laser (OTC) fields can be used to gain control over sub-cycle electron dynamics in strong-laser ionization. While existing studies mainly focus on high harmonic spectra or electron-ion coincidence measurements done with a COLTRIMS, here we present electron spectra for Ne and Xe in OTC fields measured via velocity map imaging. To analyze these spectra, a semi-classical model is used to describe changes in the electron interference pattern and map the electron dynamics introduced by changing the phase between the two field components.

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