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Laser-driven fast electron collimation in targets with resistivity boundary

Ramakrishna, B. and Kar, S. and Robinson, A. P. L. and Adams, D. J. and Markey, K. and Quinn, M. N. and Yuan, X. H. and McKenna, P. and Lancaster, K. L. and Green, J. S. and Scott, R. H. H. and Norreys, P. A. and Schreiber, J. and Zepf, M. (2010) Laser-driven fast electron collimation in targets with resistivity boundary. Physical Review Letters, 105 (13). -. ISSN 0031-9007

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Abstract

We demonstrate experimentally that the relativistic electron flow in a dense plasma can be efficiently confined and guided in targets exhibiting a high-resistivity-core-low-resistivity-cladding structure analogous to optical waveguides. The relativistic electron beam is shown to be confined to an area of the order of the core diameter (50 mu m), which has the potential to substantially enhance the coupling efficiency of electrons to the compressed fusion fuel in the Fast Ignitor fusion in full-scale fusion experiments.

Item type: Article
ID code: 29607
Keywords: denisty plasma, solid targets, fast igniter, pulses, fusion, Physics, Physics and Astronomy(all)
Subjects: Science > Physics
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 22 Mar 2011 11:34
    Last modified: 27 Mar 2014 09:16
    URI: http://strathprints.strath.ac.uk/id/eprint/29607

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