Simulation of ultrashort electron pulse generation from optical injection into wake-field plasma waves

E. S. Dodd, J. K. Kim, Donald P Umstadter

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

A laser-plasma-based source of relavistic electrons was analyzed in two dimensions using theoretical and numeric techniques. Two laser beams were focussed in a plasma, one excited a wake-field electron plasma wave while another locally altered some electron trajectories in such a way that they could not be trapped and accelerated by waves. Two-dimensional particle-in-cell simulations and analysis of the single particle trajectories showed that the radial wake field played an important role. The simulation results were interpreted to evaluate the accelerated electron beam's properties and compared with existing devices.

Original languageEnglish (US)
Article number056410
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume70
Issue number5 2
DOIs
StatePublished - Nov 1 2004

Fingerprint

Optical Injection
plasma waves
Wake
wakes
Plasma
Electron
injection
electron trajectories
particle trajectories
electron plasma
pulses
laser plasmas
Laser Plasma
Particle Trajectory
Simulation
electrons
simulation
laser beams
electron beams
Electron Beam

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

Cite this

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AB - A laser-plasma-based source of relavistic electrons was analyzed in two dimensions using theoretical and numeric techniques. Two laser beams were focussed in a plasma, one excited a wake-field electron plasma wave while another locally altered some electron trajectories in such a way that they could not be trapped and accelerated by waves. Two-dimensional particle-in-cell simulations and analysis of the single particle trajectories showed that the radial wake field played an important role. The simulation results were interpreted to evaluate the accelerated electron beam's properties and compared with existing devices.

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