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

Year: 2021

Authors: Marini S., Kleij P. S., Pisani F., Amiranoff F., Grech M., Macchi A., Raynaud M., Riconda C.

Autors Affiliation: 1) LSI, CEA/DRF/IRAMIS, CNRS, École Polytechnique, Institut Polytechnique de Paris, F-91128 Palaiseau, France
2) LULI, Sorbonne Université, CNRS, CEA, École Polytechnique, Institut Polytechnique de Paris, F-75252 Paris, France
3) Enrico Fermi Department of Physics, University of Pisa, largo Bruno Pontecorvo 3, 56127 Pisa, Italy
4) National Institute of Optics, National Research Council (CNR/INO), Adriano Gozzini laboratory, 56124 Pisa, Italy

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 Iλ20=3.4×1019W/cm2μm2, 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.

Journal/Review: PHYSICAL REVIEW E

Volume: 103 (2)      Pages from: L021201-1  to: L021201-5

KeyWords: plasmonics, high field plasmonics, high field photonics, electron acceleration, surface waves, laser-plasma interactions
DOI: 10.1103/PhysRevE.103.L021201

Citations: 2
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