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Scaling Laws for Photoelectron Holography in the Midinfrared Wavelength Regime

Midinfrared strong-field laser ionization offers the promise of measuring holograms of atoms and molecules, which contain both spatial and temporal information of the ion and the photoelectron with subfemtosecond temporal and angstrom spatial resolution. We report on the scaling of photoelectron holographic interference patterns with the laser pulse duration, wavelength, and intensity. High-resolution holograms for the ionization of metastable xenon atoms by 7–16 μm light from the FELICE free electron laser are presented and compared to semiclassical calculations that provide analytical insight.

DOI : 10.1103/PhysRevLett.109.013002

Voir en ligne : Phys. Rev. Lett. 109, 013002 (2012)