Microengineering Laser Plasma Interactions at Relativistic Intensities

S. Jiang, L. L. Ji, H. Audesirk, K. M. George, J. Snyder, A. Krygier, P. Poole, C. Willis, R. Daskalova, E. Chowdhury, N. S. Lewis, D. W. Schumacher, A. Pukhov, R. R. Freeman, and K. U. Akli
Phys. Rev. Lett. 116, 085002 – Published 25 February 2016

Abstract

We report on the first successful proof-of-principle experiment to manipulate laser-matter interactions on microscales using highly ordered Si microwire arrays. The interaction of a high-contrast short-pulse laser with a flat target via periodic Si microwires yields a substantial enhancement in both the total and cutoff energies of the produced electron beam. The self-generated electric and magnetic fields behave as an electromagnetic lens that confines and guides electrons between the microwires as they acquire relativistic energies via direct laser acceleration.

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  • Received 14 September 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.085002

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Plasma Physics

Authors & Affiliations

S. Jiang1, L. L. Ji1,†, H. Audesirk2, K. M. George1, J. Snyder1, A. Krygier1, P. Poole1, C. Willis1, R. Daskalova1, E. Chowdhury1, N. S. Lewis2, D. W. Schumacher1, A. Pukhov3, R. R. Freeman1, and K. U. Akli1,*

  • 1Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
  • 2Division of Chemistry and Chemical Engineering, 127-72 Noyes Laboratory, California Institute of Technology, Pasadena, California 91125, USA
  • 3Heinrich-Heine University of Dusseldorf, 40225 Dusseldorf, Germany

  • *akli.1@osu.edu
  • ji.289@osu.edu

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Issue

Vol. 116, Iss. 8 — 26 February 2016

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