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Sławomir Skruszewicz

Strong field ionization of atoms and molecules studied by phase-of-the-phase spectroscopy

Universität Rostock, August 2015

Abstract: Coherent superposition of 800 nm laser field with its second-harmonic generates laser pulses with asymmetrical electric field distribution. Controlling a time-lag between the w-2w fields with sub-fs precision enables for electron trajectory tagging. Here, we propose two-color phase-of-the-phase spectroscopy (PoP) which applied to atoms provides relative-phase-tagged photoelectron spectra. We show that a relative phase contrast (RPC) and the-phase-of-the-phase (PP) obtained from Fourier transformed electron spectra gain information which are beyond conventional photoelectron spectroscopy.

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