Directed fast electron beams in ultraintense picosecond laser irradiated solid targets

X. L. Ge, X. X. Lin, X. H. Yuan, D. C. Carroll, R. J. Gray, T. P. Yu, O. Tresca, M. Chen, F. Liu, H. B. Zhuo, B. Zielbauer, L. Zhao, D. Neely, Z. M. Sheng, Y. T. Li, P. McKenna

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)


    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.

    Original languageEnglish
    Article number091111
    JournalApplied Physics Letters
    Issue number9
    Publication statusPublished - 2015 Aug 31

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)


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