402 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Instituto Superior TécnicoPT62 papers
- Instituto de Plasmas e Fusão NuclearPT57 papers
- Iscte – Instituto Universitário de LisboaPT28 papers
- University of California, Los AngelesUS24 papers
- University of LisbonPT21 papers
- Imperial College LondonGB13 papers
- Lawrence Livermore National LaboratoryUS9 papers
- Rutherford Appleton LaboratoryGB8 papers
- Central Laser Facility7 papers
- Lancaster UniversityGB7 papers
- Max Planck Institute for PhysicsDE7 papers
- SLAC National Accelerator LaboratoryUS7 papers
6 papers · 1 filter
Effect of the frequency chirp on laser wakefield acceleration
V. B. Pathak, J. Vieira, R. A. Fonseca +1
The role of laser frequency chirps in the laser wakefield accelerator is examined. We show that in the linear regime, the evolution of the laser pulse length is affected by the fre…
Polarized Beam Conditioning in Plasma Based Acceleration
J. Vieira, C. -K. Huang, W. B. Mori +1
The acceleration of polarized electron beams in the blowout regime of plasma-based acceleration is explored. An analytical model for the spin precession of single beam electrons, a…
Magnetic control of particle-injection in plasma based accelerators
J. Vieira, S. F. Martins, V. B. Pathak +3
The use of an external transverse magnetic field to trigger and to control electron self-injection in laser- and particle-beam driven wakefield accelerators is examined analyticall…
Large-scale magnetic field generation via the kinetic Kelvin-Helmholtz instability in unmagnetized scenarios
E. P. Alves, T. Grismayer, S. F. Martins +3
Collisionless plasma instabilities are fundamental in magnetic field generation in astrophysical scenarios, but their role has been addressed in scenarios where velocity shear is a…
Non-invasive characterization of transverse beam emittance of electrons from a laser-plasma wakefield accelerator in the bubble regime using betatron x-ray radiation
S. Kneip, C. McGuffey, J. L. Martins +17
We propose and use a technique to measure the transverse emittance of a laser-wakefield accelerated beam of relativistic electrons. The technique is based on the simultaneous measu…
Production of picosecond, kilojoule, petawatt laser pulses via Raman amplification of nanosecond pulses
R. Trines, F. Fiuza, R. Bingham +4
Raman amplification in plasma has been promoted as a means of compressing picosecond optical laser pulses to femtosecond duration to explore the intensity frontier. Here we show fo…