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27 research outcomes, page 1 of 3
  • publication . Preprint . Other literature type . Article . 2019
    Open Access English
    Authors:
    Scherkl, Paul; Knetsch, Alexander; Heinemann, Thomas; Sutherland, Andrew; Habib, Ahmad Fahim; Karger, Oliver; Ullmann, Daniel; Beaton, Andrew; Kirwan, Gavin; Manahan, Grace; ...
    Project: EC | EuPRAXIA (653782), EC | LASERLAB-EUROPE (284464), EC | EUCARD-2 (312453)

    Modern particle accelerators and their applications increasingly rely on precisely coordinated interactions of intense charged particle and laser beams. Femtosecond-scale synchronization alongside micrometre-scale spatial precision are essential e.g. for pump-probe expe...

  • publication . Article . Other literature type . 2015
    Open Access
    Authors:
    Adam Noble; Gregor H Welsh; Richard Shanks;
    Publisher: IOP Publishing
    Project: RCUK | CRITICAL MASS: Collective... (EP/J018171/1), EC | EUCARD-2 (312453), EC | LASERLAB-EUROPE (284464)

    We gratefully acknowledge the support of the UK EPSRC (grant no. EP/J018171/1), the EU FP7 programmes: the Extreme Light Infrastructure (ELI) project, the Laserlab-Europe (no. 284464), and the EUCARD-2 project (no. 312453). The laser-plasma wakefield accelerator is a co...

  • publication . Other literature type . Article . 2017
    Open Access
    Authors:
    Ross Gray; Gregor H Welsh; Paul McKenna; Robbie Wilson; Panagiotis DELINIKOLAS;
    Publisher: Springer Science and Business Media LLC
    Project: RCUK | Multi-scale simulation of... (EP/G055165/1), RCUK | Multi-PetaWatt Laser-Plas... (EP/J003832/1), RCUK | CRITICAL MASS: Collective... (EP/J018171/1), RCUK | Multi-scale simulation of... (EP/G054940/1), EC | EUCARD-2 (312453), RCUK | Lab in a bubble (EP/N028694/1), EC | LASERLAB-EUROPE (284464), RCUK | Multi-scale simulation of... (EP/G056803/1)

    Space radiation is a great danger to electronics and astronauts onboard space vessels. The spectral flux of space electrons, protons and ions for example in the radiation belts is inherently broadband, but this is a feature hard to mimic with conventional radiation sour...

  • publication . Preprint . Other literature type . Article . 2015
    Open Access English
    Authors:
    Adam Noble; Samuel R. Yoffe;
    Project: EC | EUCARD-2 (312453), EC | LASERLAB-EUROPE (284464)

    With the emergence in the next few years of a new breed of high power laser facilities, it is becoming increasingly important to understand how interacting with intense laser pulses affects the bulk properties of a relativistic electron beam. A detailed analysis of the ...

  • publication . Article . Other literature type . 2015
    Open Access English
    Authors:
    Gregor H Welsh; Samuel R. Yoffe; John Farmer;
    Publisher: Nature Publishing Group
    Project: RCUK | CRITICAL MASS: Collective... (EP/J018171/1), EC | LASERLAB-EUROPE (284464), EC | EUCARD-2 (312453)

    Stimulated Raman backscattering in plasma is potentially an efficient method of amplifying laser pulses to reach exawatt powers because plasma is fully broken down and withstands extremely high electric fields. Plasma also has unique nonlinear optical properties that al...

  • publication . Preprint . 2016
    Open Access English
    Authors:
    Kwon, Kyu Been; Kang, Teyoun; Song, Hyung Seon; Kim, Young-Kuk; Ersfeld, Bernhard; Jaroszynski, Dino A.; Hur, Min Sup;
    Project: EC | EUCARD-2 (312453), EC | LASERLAB-EUROPE (284464), RCUK | CRITICAL MASS: Collective... (EP/J018171/1)

    Plasma dipole oscillation (PDO) depicted as harmonic motion of a spatially localized block of electrons has, until now, been hypothetical. In practice, the plasma oscillation occurs always as a part of a plasma wave. Studies on radiation burst from plasmas have focused ...

  • publication . Part of book or chapter of book . Conference object . 2015
    Open Access English
    Authors:
    Gregor H Welsh; Anna Subiel;
    Publisher: SPIE--The International Society for Optical Engineering.
    Project: EC | LASERLAB-EUROPE (284464), EC | EUCARD-2 (312453)

    Both the laser-plasma wakefield accelerator (LWFA) and X-ray phase-contrast imaging (XPCi) are promising technologies that are attracting the attention of the scientific community. Conventional X-ray absorption imaging cannot be used as a means of imaging biological mat...

  • publication . Article . Other literature type . 2014
    Open Access
    Authors:
    Gregor H Welsh; Richard Shanks;
    Publisher: AIP Publishing
    Project: EC | LASERLAB-EUROPE (284464), EC | EUCARD-2 (312453), RCUK | CRITICAL MASS: Collective... (EP/J018171/1)

    Narrow band undulator radiation tuneable over the wavelength range of 150–260 nm has been produced by short electron bunches from a 2 mm long laser plasma wakefield accelerator based on a 20 TW femtosecond laser system. The number of photons measured is up to 9 × 106 pe...

  • publication . Article . 2017
    Open Access
    Authors:
    Gregor H Welsh; Feiyu Li;
    Project: RCUK | Application of Next Gener... (EP/J500094/1), EC | EUCARD-2 (312453), RCUK | Lab in a bubble (EP/N028694/1), EC | LASERLAB-EUROPE (284464), RCUK | West of Scotland Supercom... (EP/K000586/1), EC | EuPRAXIA (653782), RCUK | CRITICAL MASS: Collective... (EP/J018171/1), EC | LASERLAB-EUROPE (654148)

    Laser-wakefield accelerators are compact devices capable of delivering ultra-short electron bunches with pC-level charge and MeV-GeV energy by exploiting the ultra-high electric fields arising from the interaction of intense laser pulses with plasma. We show experimenta...

  • publication . Article . 2017
    Open Access English
    Authors:
    Gregor H Welsh; Vadim Moskvin; Anna Subiel;
    Project: EC | EuPRAXIA (653782), EC | LASERLAB-EUROPE (284464), EC | EUCARD-2 (312453), RCUK | Lab in a bubble (EP/N028694/1), RCUK | External beam therapy usi... (ST/H003754/1), RCUK | Application of Next Gener... (EP/J500094/1), RCUK | External beam therapy usi... (ST/H003703/1), EC | LASERLAB-EUROPE (654148)

    Abstract Very high energy electrons (VHEE) in the range from 100 to 250 MeV have the potential of becoming an alternative modality in radiotherapy because of their improved dosimetric properties compared with 6–20 MV photons generated by clinical linear accelerators (LI...

27 research outcomes, page 1 of 3
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