Coupling of longitudinal and transverse motion of accelerated electrons in laser wakefield acceleration

A.J.W. Reitsma, D.A. Jaroszynski

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The acceleration dynamics of electrons in a laser wakefield accelerator is discussed, in particular the coupling of longitudinal and transverse motion. This coupling effect is important for electrons injected with a velocity below the laser pulse group velocity. It is found that the electron bunch is adiabatically focused during the acceleration and that a finite bunch width contributes to bunch lengthening and growth of energy spread. These results indicate the importance of a small emittance for the injected electron bunch.
Original languageEnglish
Pages (from-to)407-413
Number of pages6
JournalLaser and Particle Beams
Volume22
Issue number4
DOIs
Publication statusPublished - Dec 2004

Keywords

  • beam quality
  • electron dynamics
  • plasma-based acceleration

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