The Effect of Chirped Gaussian Laser Pulse on the Acceleration of Plasma Electrons in a Plasma Wakefield Accelerator in the Presence of a Planar Undulator Field

Nikrah, B.; Jafari, S.

doi:10.1007/s13538-021-00911-w

Cited by 3 publications

(1 citation statement)

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“…In the acceleration process, once the accelerating electrons catch up with the plasma wave and start to accelerate, they can outrun it after traversing a certain distance, called the dephasing length [1,19,22]. One crucial way to control the phase slippage between the particles and the accelerating electric field is to use an external magnetic field [23,24]. The presence of an external magnetic field helps to confine the trailing beam charge at the wavefront of the wake wave, and thereby to improve its coupling with the wake field over a long distance [24,25].…”

Section: Introductionmentioning

confidence: 99%

Laser wakefield acceleration of electrons in a magnetically controlled plasma

Nikrah,

Jafari

2023

Plasma Phys. Control. Fusion

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In the present study, laser wakefield acceleration of electrons in a magnetically controlled plasma was investigated. The results indicated that by employing a linearly chirped laser pulse propagating through magnetized plasma with a reversed external magnetic field, higher energy electrons are obtained compared to unmagnetized plasma and/or non-chirped laser pulse. Besides, by considering an appropriate chirping constant magnitude and an axial external magnetic field, one could obtain remarkable GeV electron energies. It was also found that the effect of external magnetic field direction on the electron energy is not sensed much in the mildly relativistic regime, while the reversed magnetic ﬁeld increases the peak of electron energy gains compared with the forward magnetic field in the highly relativistic regime. For the mildly relativistic case, peak energy of 412 MeV and relative energy spread of 7% was obtained. In addition, for high relativistic case, peak energy of 1.55 GeV was obtained.

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