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Ultrashort high energy electron bunches from tunable surface plasma waves driven with laser wavefront rotation

Abstract : We propose to use ultra-high intensity laser pulses with wavefront rotation (WFR) to produce short, ultra-intense surface plasma waves (SPW) on grating targets for electron acceleration. Combining a smart grating design with optimal WFR conditions identified through simple analytical modeling and particle-in-cell simulation allows to decrease the SPW duration (down to few optical cycles) and increase its peak amplitude. In the relativistic regime, for Iλ 2 0 = 3.4 × 10 19 W/cm 2 µm 2 , such SPW are found to accelerate high-charge (few 10's of pC), high-energy (up to 70 MeV) and ultra-short (few fs) electron bunches.
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https://hal.sorbonne-universite.fr/hal-03263278
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Submitted on : Thursday, June 17, 2021 - 10:37:33 AM
Last modification on : Tuesday, July 13, 2021 - 3:26:48 AM
Long-term archiving on: : Saturday, September 18, 2021 - 6:15:01 PM

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S. Marini, P. Kleij, F. Pisani, F. Amiranoff, M. Grech, et al.. Ultrashort high energy electron bunches from tunable surface plasma waves driven with laser wavefront rotation. Physical Review E , American Physical Society (APS), 2021, 103 (2), ⟨10.1103/PhysRevE.103.L021201⟩. ⟨hal-03263278⟩

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