Scientific Results

Extensive study of electron acceleration by relativistic surface plasmons

Year: 2018

Authors: Cantono G., Sgattoni A., Fedeli L., Garzella D., Réau F., Riconda C., Macchi A., Ceccotti T.

Autors Affiliation: 1) LIDYL, CEA, CNRS, Université Paris-Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France
2) Université Paris Sud, Paris, 91400 Orsay, France
3) National Institute of Optics, National Research Council (CNR/INO) A. Gozzini unit, 56124 Pisa, Italy
4) Enrico Fermi Department of Physics, University of Pisa, 56127 Pisa, Italy
5) LULI-UPMC: Sorbonne Universités, CNRS, École Polytechnique, CEA, 75005 Paris, France
6) LESIA, Observatoire de Paris, CNRS, UPMC: Sorbonne Universites, 92195 Meudon, France
7) Department of Energy, Politecnico di Milano, 20133 Milano, Italy

Abstract: The excitation of surface plasmons with ultra-intense (I ∼ 5 × 1019 W/cm2), high contrast (∼1012) laser pulses on periodically modulated solid targets has been recently demonstrated to produce collimated bunches of energetic electrons along the target surface [Fedeli et al., Phys. Rev. Lett. 116, 015001 (2016)]. Here, we report an extensive experimental and numerical study aimed to a complete characterization of the acceleration mechanism, demonstrating its robustness and promising characteristics for an electron source. By comparing different grating structures, we identify the relevant parameters to optimize the acceleration and obtain bunches of ∼650 pC of charge at several MeV of energy with blazed gratings.

Journal/Review: PHYSICS OF PLASMAS

Volume: 25      Pages from: 031907-1  to: 031907-9

More Information: Invited Paper in Special Topic collection “Plasmonics and solid state physics”
KeyWords: plasmonics; high field science; electron acceleration; ultrafast electron sources;
DOI: 10.1063/1.5017706

Citations: 12
data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2021-12-05
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