Laser wakefield accelerated electron beams and betatron radiation from multijet gas targets

Vidmantas Tomkus, Valdas Girdauskas, Juozas Dudutis, Paulius Gečys, Valdemar Stankevič, Gediminas Račiukaitis, Isabel Gallardo González, Diego Guénot, Jonas Björklund Svensson, Anders Persson, Olle Lundh

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

4 Citeringar (SciVal)

Sammanfattning

Laser Plasma Wakefield Accelerated (LWFA) electron beams and efficiency of betatron X-ray sources is studied using laser micromachined supersonic gas jet nozzle arrays. Separate sections of the target are used for the injection, acceleration and enhancement of electron oscillation. In this report, we present the results of LWFA and X-ray generation using dynamic gas density grid built by shock-waves of colliding jets. The experiment was done with the 40 TW, 35 fs laser at the Lund Laser Centre. Electron energies of 30–150 MeV and 1.0 × 108–5.5 × 108 photons per shot of betatron radiation have been measured. The implementation of the betatron source with separate regions of LWFA and plasma density grid raised the efficiency of X-ray generation and increased the number of photons per shot by a factor of 2–3 relative to a single-jet gas target source.

Originalspråkengelska
Artikelnummer16807
TidskriftScientific Reports
Volym10
Utgåva1
DOI
StatusPublished - 2020 dec 1

Ämnesklassifikation (UKÄ)

  • Atom- och molekylfysik och optik

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