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Showing 1–3 of 3 results
Advanced filters: Author: Mathias Smolarski Clear advanced filters

  • An ‘attoclock’ that measures the relative release time of electrons during double ionization is now presented. The technique enables investigation of the subtle differences between sequential and non-sequential ionization when elliptically polarized light is used to excite two electrons from argon atoms.

    • Adrian N. Pfeiffer
    • Claudio Cirelli
    • Ursula Keller
    Research
    Nature Physics
    Volume: 7, P: 428-433

  • A technique that uses the rotating electric-field vector of a circularly polarized laser pulse as a ‘clock’ provides a fresh approach to measuring electron dynamics with attosecond time resolution.

    • Petrissa Eckle
    • Mathias Smolarski
    • Ursula Keller
    Research
    Nature Physics
    Volume: 4, P: 565-570

  • A quantum particle can tunnel through an energy barrier that it would otherwise be unable to surmount. This phenomenon has an important role in atomic processes such as ionization. Researchers now use an attosecond ‘clock’ to take a precise look at the dynamics of this process and identify the trajectory taken by the escaping electron.

    • Adrian N. Pfeiffer
    • Claudio Cirelli
    • Ursula Keller
    Research
    Nature Physics
    Volume: 8, P: 76-80