Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection

G. Golovin, S. Chen, N. Powers, C. Liu, S. Banerjee, J. Zhang, M. Zeng, Z. Sheng, D. Umstadter

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

We report the results of experiments on laser-wakefield acceleration in a novel two-stage gas target with independently adjustable density and atomic-composition profiles. We were able to tailor these profiles in a way that led to the separation of the processes of electron injection and acceleration and permitted independent control of both. This resulted in the generation of stable, quasimonoenergetic electron beams with central energy tunable in 50-300 MeV range. For the first time, we are able to independently control the beam charge and energy spread over the entire tunability range.

Original languageEnglish (US)
Article number011301
JournalPhysical Review Special Topics - Accelerators and Beams
Volume18
Issue number1
DOIs
StatePublished - Jan 5 2015

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electron beams
injection
profiles
lasers
energy
gases
electrons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)
  • Surfaces and Interfaces

Cite this

Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection. / Golovin, G.; Chen, S.; Powers, N.; Liu, C.; Banerjee, S.; Zhang, J.; Zeng, M.; Sheng, Z.; Umstadter, D.

In: Physical Review Special Topics - Accelerators and Beams, Vol. 18, No. 1, 011301, 05.01.2015.

Research output: Contribution to journalArticle

Golovin, G. ; Chen, S. ; Powers, N. ; Liu, C. ; Banerjee, S. ; Zhang, J. ; Zeng, M. ; Sheng, Z. ; Umstadter, D. / Tunable monoenergetic electron beams from independently controllable laser-wakefield acceleration and injection. In: Physical Review Special Topics - Accelerators and Beams. 2015 ; Vol. 18, No. 1.
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