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Showing 1–5 of 5 results
Advanced filters: Author: Toma Toncian Clear advanced filters

  • Recent studies have shown that probing the heating and ionization dynamics of solid-density plasmas with x-ray free-electron laser (XFEL) beams is inherently challenging. Here, the authors demonstrate sub-picosecond time resolution of solid-density Cu plasmas driven by an optical laser pulse, by combining resonant x-ray emission spectroscopy and absorption imaging from an XFEL probe beam.

    • Lingen Huang
    • Mikhail Mishchenko
    • Thomas E. Cowan
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-13

  • Hard X-ray free electron lasers allow new insights into dense matter dynamics. Here, the authors show that a single-beam, short-pulse laser can generate a converging cylindrical shock in a thin wire, providing a new method for high energy density research with improved repetition rates.

    • Alejandro Laso Garcia
    • Long Yang
    • Toma Toncian
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-8

  • Ultrafast relativistic plasma instabilities accompany and influence laser matter interactions that accelerate particlebeams with potential applications in e.g radiotherapy or fussion fast ignition scenarios. Here, the authors use Small Angle X-ray Scattering to observe such instabilities on a femtosecond, tens of nanometer scale in solids, and draw conclusions on the underlying plasma dynamics.

    • Paweł Ordyna
    • Carsten Bähtz
    • Thomas Kluge
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-10

  • Electron-positron pair generation from nonlinear quantum electrodynamics is predicted at high intensities that are, so far, beyond experimental capabilities. Here, simulations predict a high yield of positrons can be obtained from gamma-gamma photon collisions in the linear regime, using counter-propagating pulses and a microstructured target.

    • Yutong He
    • Thomas G. Blackburn
    • Alexey V. Arefiev
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-9