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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.
Abstract

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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