Electron acceleration induced by interaction of two relativistic laser pulses in underdense plasmas

Huang, T. W.; Zhou, C. T.; Bai, Ruixue; Ju, L. B.; Jiang, Ke; Long, T. Y.; Zhang, H.; Wu, S. Z.; Ruan, Shuangchen

doi:10.1103/physreve.98.053207

Cited by 6 publications

(2 citation statements)

References 53 publications

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“…Further, the plasma was assumed to have low density. Still, this publication showed that the two channels can attract each other, an effect which also has been observed in PIC simulations with higher plasma densities [34,35]. Other effects that can occur in our present setup can partly be observed in the extensive studies already performed for MVA [10,11].…”

Section: Discussionsupporting

confidence: 73%

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Acceleration of spin-polarized proton beams via two parallel laser pulses

Reichwein¹,

Büscher²,

Pukhov³

2022

Preprint

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We present a setup for highly polarized proton beams using two parallel propagating laser pulses that are polarized in opposite direction. This mechanism is examined utilizing particle-in-cell simulations and compared to a single-pulse setup commonly used for magnetic vortex acceleration. We find that the use of the dual-pulse setup allows for peak energies of 374 MeV and good angular spread for two pulses with normalized laser vector potential a0 = 100. Compared to a single pulse, we further observe better polarization of the obtained bunch.

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Section: Discussionsupporting

confidence: 73%

“…The interaction of two laser pulses in a plasma has been examined in various publications [32][33][34][35], albeit without considering spin polarization. In a publication by Dong et al, the interaction of two laser-created channels was studied solving the equations for the pulses co-propagating in the plasma [33].…”

Section: Discussionmentioning

confidence: 99%

Acceleration of spin-polarized proton beams via two parallel laser pulses

Reichwein¹,

Büscher²,

Pukhov³

2022

Preprint

View full text Add to dashboard Cite

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Interaction features of two ultra-intense laser pulses self-trapped in underdense plasmas

et al. 2020

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The interaction of two parallel relativistic laser beams in underdense plasmas is investigated by considering the evolution of their wave envelopes. The energy transfer between the two lasers is given by an expression based on the evolution of the total laser power in a regime without beam mixing. It is shown that how the energy is transferred depends nonlinearly on the initial phase difference of the lasers, and the result of the interaction depends on the laser intensity, spot radius, and their separation distance. The results are verified by direct numerical solution of the relativistic nonlinear Schrödinger equations for the laser envelopes as well as particle-in-cell simulation. The study and results should be helpful for understanding the energy transfer behavior of multiple co-propagating laser beams in underdense plasmas.

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