Bulletin of the American Physical Society
60th Annual Meeting of the APS Division of Plasma Physics
Volume 63, Number 11
Monday–Friday, November 5–9, 2018; Portland, Oregon
Session PO8: Relativistic Laser Plasma Interaction and Particles (ions, electrons, positrons, neutrons) III
2:00 PM–4:24 PM,
Wednesday, November 7, 2018
OCC
Room: C120-122
Chair: Louise Willingale, University of Michigan
Abstract ID: BAPS.2018.DPP.PO8.11
Abstract: PO8.00011 : Surface-Wave Excitation and Electron Acceleration at Ultra-High-Intensity*
4:00 PM–4:12 PM
Presenter:
Mickael Grech
(LULI, CNRS)
Authors:
Samuel Marini
(LULI, UPMC)
Mickael Grech
(LULI, CNRS)
Michèle Raynaud
(LSI, CEA)
Caterina Riconda
(LULI, UPMC)
The excitation of surface plasma waves (SPW) by an ultra-high intensity laser irradiating a micro-structured (e.g. grating-like) target offers new interesting opportunities for increasing the energy transfer from the laser to the plasma, as well as for high-energy electron beam production. In this work, we present two studies that rely on extensive Particle-In-Cell (PIC) simulations. The first investigates the effects of both the plasma density and laser intensity, in the relativistic regime of interaction, on the SPW excitation. The second investigates the effects of varying the laser pulse parameters (duration, chirp, etc.) on both the SPW excitation and electron acceleration in the SPW (along the target's surface). Our results can be used to optimize and control various possible applications of high-intensity laser-plasma produced SPW.
*Financial support from the Laboratoire d'Excellence Plas@Par (ANR-11- IDEX-0004-02-Plas@Par) is acknowledged.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DPP.PO8.11
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