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Open Access Publications from the University of California

Plasma-driven ultrashort bunch diagnostics

  • Author(s): Dornmair, I
  • Schroeder, CB
  • Floettmann, K
  • Marchetti, B
  • Maier, AR
  • et al.

© 2016, American Physical Society. All rights reserved. Ultrashort electron bunches are crucial for an increasing number of applications, however, diagnosing their longitudinal phase space remains a challenge. We propose a new method that harnesses the strong electric fields present in a laser driven plasma wakefield. By transversely displacing driver laser and witness bunch, a streaking field is applied to the bunch. This field maps the time information to a transverse momentum change and, consequently, to a change of transverse position. We illustrate our method with simulations where we achieve a time resolution in the attosecond range.

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