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35 research outcomes, page 1 of 4
  • publication . Article . Preprint . Other literature type . Report . 2016
    Open Access English
    Authors:
    A. Caldwell; E. Adli; L. Amorim; R. Apsimon; T. Argyropoulos; R. Assmann; A.-M. Bachmann; F. Batsch; J. Bauche; V.K. Berglyd Olsen; ...
    Project: EC | EUCARD-2 (312453)

    Comment: 15 pages, 24 figures, 1 table, 111 references, 121 author from 36 organizations

  • 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 . Part of book or chapter of book . Conference object . 2017
    Open Access English
    Authors:
    Adam Noble; Samuel R. Yoffe;
    Publisher: Society of Photo-Optical Instrumentation Engineers
    Project: EC | EUCARD-2 (312453)

    In the coming years, a new generation of high-power laser facilities (such as the Extreme Light Infrastructure) will become operational, for which it is important to understand how the interaction with intense laser pulses affects the bulk properties of relativistic ele...

  • publication . Article . Other literature type . 2019
    Open Access English
    Authors:
    A. E. Hussein; N. Senabulya; Y. Ma; M. J. V. Streeter; B. Kettle; S. J. D. Dann; F. Albert; N. Bourgeois; S. Cipiccia; J. M. Cole; ...
    Project: NSERC , RCUK | Cockcroft Institute (ST/P002056/1), EC | LASERLAB-EUROPE (654148), EC | EuPRAXIA (653782), RCUK | Application of Next Gener... (EP/J500094/1), EC | EUCARD-2 (312453), RCUK | Lab in a bubble (EP/N028694/1), RCUK | CRITICAL MASS: Collective... (EP/J018171/1), FCT | POCI/FIS/59574/2004 (59574), RCUK | The John Adams Institute ... (ST/P000835/1)

    Laser-wakefield accelerators (LWFAs) are high acceleration-gradient plasma-based particle accelerators capable of producing ultra-relativistic electron beams. Within the strong focusing fields of the wakefield, accelerated electrons undergo betatron oscillations, emitti...

  • 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 . Other literature type . 2018
    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), RCUK | Lab in a bubble (EP/N028694/1), EC | LASERLAB-EUROPE (654148), RCUK | CRITICAL MASS: Collective... (EP/J018171/1)

    Abstract Emission of radiation from electrons undergoing plasma oscillations (POs) at the plasma frequency has attracted interest because of the existence of intriguing and non-trivial coupling mechanism between the electrostatic PO and the emitted electromagnetic wave....

  • 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...

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

    The laser-plasma wakefield accelerator is a novel ultra-compact particle accelerator. A very intense laser pulse focused onto plasma can excites plasma density waves. Electrons surfing these waves can be accelerated to very high energies with unprecedented accelerating ...

  • publication . Article . 2017
    Open Access English
    Authors:
    Adam Noble;
    Publisher: Nature Publishing Group
    Project: RCUK | CRITICAL MASS: Collective... (EP/J018171/1), EC | EUCARD-2 (312453), RCUK | Lab in a bubble (EP/N028694/1), EC | LASERLAB-EUROPE (284464)

    Ultra-intense, narrow-bandwidth, electromagnetic pulses have become important tools for exploring the characteristics of matter. Modern tuneable high-power light sources, such as free-electron lasers and vacuum tubes, rely on bunching of relativistic or near-relativisti...

  • publication . Article . 2013
    Open Access English
    Authors:
    J.M. Dias; Gregor H Welsh; Matthias Hoek; David J Hamilton;
    Publisher: AMER INST PHYSICS
    Project: EC | LASERLAB-EUROPE (284464), EC | EUCARD-2 (312453), FCT | SFRH/BD/37838/2007 (SFRH/BD/37838/2007)

    Compton side-scattering has been used to simultaneously downshift the energy of keV to MeV energy range photons while attenuating their flux to enable single-shot, spectrally resolved, measurements of high flux X-ray sources to be undertaken. To demonstrate the techniqu...

35 research outcomes, page 1 of 4
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