Dissemin is shutting down on January 1st, 2025

Published in

American Physical Society, Physical Review Letters, 18(111)

DOI: 10.1103/physrevlett.111.185001

Links

Tools

Export citation

Search in Google Scholar

Evidence of Resonant Surface-Wave Excitation in the Relativistic Regime through Measurements of Proton Acceleration from Grating Targets

Journal article published in 2013 by T. Ceccotti, A. Sgattoni, V. Floquet, O. Klimo, Michelle Raynaud, C. Riconda, A. Bigongiari, A. Heron, L. Labate, L. A. Gizzi, F. Baffigi, L. Vassura, M. Passoni, M. Kveton, F. Novotny and other authors.
This paper is available in a repository.
This paper is available in a repository.

Full text: Download

Green circle
Preprint: archiving allowed
Upload
Green circle
Postprint: archiving allowed
Upload
Green circle
Published version: archiving allowed
Upload
Policy details
Data provided by SHERPA/RoMEO

Abstract

The interaction of laser pulses with thin grating targets, having a periodic groove at the irradiated surface, has been experimentally investigated. Ultrahigh contrast ($∼ 10^{12}$) pulses allowed to demonstrate an enhanced laser-target coupling for the first time in the relativistic regime of ultra-high intensity $>10^{19} \mbox{W/cm}^{2}$. A maximum increase by a factor of 2.5 of the cut-off energy of protons produced by Target Normal Sheath Acceleration has been observed with respect to plane targets, around the incidence angle expected for resonant excitation of surface waves. A significant enhancement is also observed for small angles of incidence, out of resonance. ; Comment: 5 pages, 5 figures, 2nd version implements final corrections