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Open Access Publications from the University of California

Chirp Mitigation of Plasma-Accelerated Beams by a Modulated Plasma Density

  • Author(s): Brinkmann, R
  • Delbos, N
  • Dornmair, I
  • Kirchen, M
  • Assmann, R
  • Behrens, C
  • Floettmann, K
  • Grebenyuk, J
  • Gross, M
  • Jalas, S
  • Mehrling, T
  • Martinez De La Ossa, A
  • Osterhoff, J
  • Schmidt, B
  • Wacker, V
  • Maier, AR
  • et al.

© 2017 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Plasma-based accelerators offer the possibility to drive future compact light sources and high-energy physics applications. Achieving good beam quality, especially a small beam energy spread, is still one of the major challenges. Here, we propose to use a periodically modulated plasma density to shape the longitudinal fields acting on an electron bunch in the linear wakefield regime. With simulations, we demonstrate an on-average flat accelerating field that maintains a small beam energy spread.

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