The Effect of Laser Focusing Conditions on Propagation and Monoenergetic Electron Production in Laser Wakefield Accelerators

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dc.creatorThomas, A. G. R.
dc.creatorNajmudin, Z.
dc.creatorMangles, S. P. D.
dc.creatorMurphy, C. D.
dc.creatorDangor, A. E.
dc.creatorKamperidis, C.
dc.creatorLancaster, K. L.
dc.creatorMori, W. B.
dc.creatorNorreys, P. A.
dc.creatorRozmus, W.
dc.creatorKrushelnick, K.
dc.date2007-01-16
dc.date.accessioned2026-07-07T11:24:10Z
dc.date.available2026-07-07T11:24:10Z
dc.descriptionThe effect of laser focusing conditions on the evolution of relativistic plasma waves in laser wakefield accelerators is studied both experimentally and with particle-in-cell simulations. For short focal length ($w_0 < λ_p$) interactions, beam break-up prevents stable propagation of the pulse. High field gradients lead to non-localized phase injection of electrons, and thus broad energy spread beams. However for long focal length geometries ($w_0 > λ_p$), a single optical filament can capture the majority of the laser energy, and self-guide over distances comparable to the dephasing length, even for these short-pulses ($cτ\approx λ_p$). This allows the wakefield to evolve to the correct shape for the production of the monoenergetic electron bunches, as measured in the experiment.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/physics/0701186
dc.identifierhttp://arxiv.org/abs/physics/0701186
dc.identifierPhys.Rev.Lett.98:095004,2007
dc.identifierdoi:10.1103/PhysRevLett.98.095004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195138
dc.subjectPlasma Physics
dc.subjectAccelerator Physics
dc.titleThe Effect of Laser Focusing Conditions on Propagation and Monoenergetic Electron Production in Laser Wakefield Accelerators
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