Controlling the spectrum of x-rays generated in a laser-plasma accelerator by tailoring the laser wavefront

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

By tailoring the wavefront of the laser pulse used in a laser-wakefield accelerator, we show that the properties of the x-rays produced due to the electron beam's betatron oscillations in the plasma can be controlled. By creating a wavefront with coma, we find that the critical energy of the synchrotronlike x-ray spectrum can be significantly increased. The coma does not substantially change the energy of the electron beam, but does increase its divergence and produces an energy-dependent exit angle, indicating that changes in the x-ray spectrum are due to an increase in the electron beam's oscillation amplitude within the wakefield.

Detaljer

Författare
  • S. P. D. Mangles
  • Guillaume Genoud
  • S. Kneip
  • Matthias Burza
  • K. Cassou
  • B. Cros
  • N. P. Dover
  • Christos Kamperidis
  • Z. Najmudin
  • Anders Persson
  • J. Schreiber
  • F. Wojda
  • Claes-Göran Wahlström
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Atom- och molekylfysik och optik

Nyckelord

Originalspråkengelska
Artikelnummer181106
TidskriftApplied Physics Letters
Volym95
Utgåva nummer18
StatusPublished - 2009
PublikationskategoriForskning
Peer review utfördJa

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Relaterad forskningsoutput

Matthias Burza, 2012, Camilla Nilsson, Department of Physics, Division of Atomic Physics, Lund University. 225 s.

Forskningsoutput: AvhandlingDoktorsavhandling (sammanläggning)

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