Controlled generation of ultra-short electron bunches using density modulation

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Yoffe, Samuel R. and Ersfeld, Bernhard and Tooley, Matthew P. and Noble, Adam and Fraser, Ross and Jaroszynski, Dino A.; Jaroszynski, Dino A. and Hur, MinSup, eds. (2019) Controlled generation of ultra-short electron bunches using density modulation. In: Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources III - Proceedings. SPIE, CZE. ISBN 9781510627383 (https://doi.org/10.1117/12.2522502)

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Abstract

Stimulated electron self-injection in the laser wakefield accelerator (LWFA) using density downramps is well known and regularly used to produce high energy electron bunches. The use of density gradients not only to stimulate injection but also control the properties of the injected electron bunch was recently presented by Tooley et al. [Phys. Rev. Lett. 119 , 044801 (2017)], in which the authors put forward a model for controlling the velocity of the back of the bubble and compared to 2D and 3D particle-in-cell (PIC) data. This model is discussed and used to identify suitable LWFA parameters for ultra-short injection and repeated injection of multiple bunches. Quasi-3D PIC data is used to demonstrate injection of multiple bunches well separated in energy.

ORCID iDs

Yoffe, Samuel R. ORCID logoORCID: https://orcid.org/0000-0002-6723-4990, Ersfeld, Bernhard ORCID logoORCID: https://orcid.org/0000-0001-5597-9429, Tooley, Matthew P., Noble, Adam ORCID logoORCID: https://orcid.org/0000-0002-8181-7076, Fraser, Ross and Jaroszynski, Dino A. ORCID logoORCID: https://orcid.org/0000-0002-3006-5492; Jaroszynski, Dino A. and Hur, MinSup
  • Item type:Book Section
    ID code:67857
    Dates:
    Date
    Event
    24 April 2019
    Published
    24 April 2019
    Accepted
    2019
    Submitted
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:15 May 2019 07:01
    Last modified:03 Dec 2024 01:06
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/67857
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