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Showing 1–11 of 11 results
Advanced filters: Author: B. Dromey Clear advanced filters
  • Experimental investigations of the response of matter to ionization would require extremely fast ion pump pulses. Here, the authors explore a different approach observing ionisation dynamics in SiO2glass by generating synchronized proton pulses from the interaction of high-power lasers on a solid target.

    • B. Dromey
    • M. Coughlan
    • M. Zepf
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6
  • By reflecting light from a relativistically moving mirror, its frequency can be changed, which could create X-rays from visible light. Kiefer et al. make such a mirror from relativistic electrons formed by an intense laser striking a nanofoil, and shift a laser pulse from the infrared to the extreme ultraviolet.

    • D. Kiefer
    • M. Yeung
    • B. Dromey
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-5
  • Evidence of strongly enhanced coupling of light with nuclei offers the potential to extend applied quantum optics to the hard X-ray regime.

    • Brendan Dromey
    News & Views
    Nature Photonics
    Volume: 10, P: 436-438
  • Extreme ultraviolet and X-ray radiation can be generated when the high harmonics of incident laser light are reflected by a dense plasma, the so-called relativistically oscillating mirror mechanism. Theoretical studies have, however, predicted an alternative regime in which short-wavelength light is generated by dense electron nanobunches that form at the plasma–vacuum boundary. Signatures of this coherent synchrotron emission are now experimentally observed.

    • B. Dromey
    • S. Rykovanov
    • B. M. Hegelich
    Research
    Nature Physics
    Volume: 8, P: 804-808
  • An experiment demonstrating the generation of subfemtosecond pulses of light through the interaction of laser light with a solid target underlines the potential of this approach to lead to a new generation of intense sources of attosecond pulses.

    • Y. Nomura
    • R. Hörlein
    • G. D. Tsakiris
    Research
    Nature Physics
    Volume: 5, P: 124-128
  • Modelling shows how plasma density gradients can be tailored to compress optical pulses in the final stages of laser systems towards exawatt (1018 W) peak powers.

    • Brendan Dromey
    News & Views
    Nature Photonics
    Volume: 17, P: 1026-1027
  • When electrons are accelerated to near light-speeds through an overdense plasma by an intense laser beam, the usually opaque plasma becomes optically transparent. High-speed laser experiments provide unprecedented insight into the dynamics of this process.

    • Sasi Palaniyappan
    • B. Manuel Hegelich
    • Rahul C. Shah
    Research
    Nature Physics
    Volume: 8, P: 763-769