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

Abstract : We propose to use ultrahigh intensity laser pulses with wave-front rotation (WFR) to produce short, ultraintense 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 us to decrease the SPW duration (down to a 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 ultrashort (few fs) electron bunches.
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https://hal.archives-ouvertes.fr/hal-03515445
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Submitted on : Thursday, January 6, 2022 - 5:11:49 PM
Last modification on : Friday, April 1, 2022 - 3:56:33 AM
Long-term archiving on: : Thursday, April 7, 2022 - 7:52:06 PM

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PhysRevE_2021.pdf
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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, ⟨10.1103/physreve.103.l021201⟩. ⟨hal-03515445⟩

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