Berlin 2014 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 3: Interaction with strong or short laser pulses I

A 3.2: Vortrag

Montag, 17. März 2014, 10:45–11:00, BEBEL E44/46

Off-axis low-energy structures in above threshold ionization with long wavelength — •Max Möller^1,2, Frank Meyer¹, A. Max Sayler^1,2, Dejan B. Milosevic³, Wilhelm Becker⁴, and Gerhard G. Paulus^1,2 — ¹Institute for Optics and Quantum Electronics, Friedrich Schiller University Jena, Germany — ²Helmholtz Institute Jena, Germany — ³Academy of Sciences and Arts of Bosnia and Herzegovina, Bosnia and Herzegovina — ⁴Max Born Institute for Nonlinear Optics and Short-Pulse Spectroscopy, Germany

The angle-resolved above-threshold ionization spectra at wavelengths around 2 microns exhibit a characteristic fork-like structure perpendicular to the laser polarization. An extension of the simple-man’s model to include angular rescattering and multiple returns reveals the electron trajectories which are responsible for the observed structures.