Author: Jamison, S.P.
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TUPO113 Beam Dynamics Studies Through Dielectric THz Accelerating Structures 569
  • R. Apsimon, G. Burt, A.L. Healy, S.P. Jamison
    Cockcroft Institute, Lancaster University, Lancaster, United Kingdom
  • R.B. Appleby, E.J.H. Smith
    UMAN, Manchester, United Kingdom
  • A. Latina
    CERN, Geneva, Switzerland
  As conventional RF accelerating schemes approach the physical limit of accelerating gradient, the accelerator community is increasingly looking at novel accelerating techniques to overcome these limitations. Moving from the RF to the THz frequency range, higher acceleration gradients of high energy beams can be achieved in compact structures. Beam dynamics studies are crucial as part of the design of novel accelerating structures to maximise the output beam current as well as the accelerating gradient. In this paper we present beam dynamics simulations through dielectric lined waveguide structures using novel techniques to simulate broadband signals for particle tracking studies in RF-Track. The beam parameters through the structure are optimised and we study the dynamics of general broadband accelerating structures.  
DOI • reference for this paper ※  
About • paper received ※ 13 September 2018      issue date ※ 18 January 2019  
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Laser and THz Driven Deflection and Acceleration of Electron Beams  
  • S.P. Jamison
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  Dielectric laser accelerators have shown very high accelerating gradients but the phase space that can be captured is very small due to the short wavelength. Moving to THz frequencies could potentially allow larger bunches to be captured and accelerated. Here the THz is generated via Cherenkov radiation in a non-linear dielectric from a laser pulse. Two schemes are proposed either by accelerating in a dielectric waveguide or by creating a travelling focus in the THz allowing direct acceleration.  
slides icon Slides TH1A06 [8.133 MB]  
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