Directed fast electron beams in ultraintense picosecond laser irradiated solid targets

Ge, X. L. and Lin, X. X. and Yuan, X. H. and Carroll, D. C. and Gray, R. J. and Yu, T. P. and Tresca, O. and Chen, M. and Liu, F. and Zhou, H. B. and Zielbauer, B. and Zhao, L. and Neely, D. and Sheng, Z.M. and Li, Y. T. and McKenna, P. (2015) Directed fast electron beams in ultraintense picosecond laser irradiated solid targets. Applied Physics Letters, 107 (9). 091111. ISSN 0003-6951 (https://doi.org/10.1063/1.4930074)

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Abstract

We report on fast electron transport and emission patterns from solid targets irradiated by s-polarized, relativistically intense, picosecond laser pulses. A beam of multi-MeV electrons is found to be transported along the target surface in the laser polarization direction. The spatial-intensity and energy distributions of this beam are compared with the beam produced along the laser propagation axis. It is shown that even for peak laser intensities an order of magnitude higher than the relativistic threshold; laser polarization still plays an important role in electron energy transport. Results from 3D particle-in-cell simulations confirm the findings. The characterization of directional beam emission is important for applications requiring efficient energy transfer, including secondary photon and ion source development.

  • Item type:Article
    ID code:54181
    Dates:
    Date
    Event
    31 August 2015
    Published
    24 August 2015
    Accepted
    Notes:Copyright (2015) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Ge, X. L., et al., Applied Physics Letters, 107, 091111 (2015), DOI: 10.1063/1.4930074 and may be found at http://dx.doi.org/10.1063/1.4930074
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:08 Sep 2015 07:52
    Last modified:24 Apr 2024 00:15
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/54181
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