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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Propagation instabilities of high-intensity laser-produced electron beams

Tatarakis, M. and Beg, F.N. and Clark, E.L. and Dangor, A.E. and Edwards, R.D. and Evans, R.G. and Goldsack, T.J. and Ledingham, K.W.D. and Norreys, P.A. and Sinclair, M.A. and Wei, M.S. and Zepf, M. and Krushelnick, K. (2003) Propagation instabilities of high-intensity laser-produced electron beams. Physical Review Letters, 90 (17). pp. 175001-1. ISSN 0031-9007

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Abstract

Measurements of energetic electron beams generated from ultrahigh intensity laser interactions (I>1019 W/cm2) with dense plasmas are discussed. These interactions have been shown to produce very directional beams, although with a broad energy spectrum. In the regime where the beam density approaches the density of the background plasma, we show that these beams are unstable to filamentation and 'hosing' instabilities. Particle-in-cell simulations also indicate the development of such instabilities. This is a regime of particular interest for inertial confinement fusion applications of these beams (i.e., "fast ignition").