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Gonzalez-Izquierdo B, King M, Gray RJ, et al. Towards optical polarization control of laser-driven proton acceleration in foils undergoing relativistic transparency. Nat Commun. 2016;7:12891doi: 10.1038/ncomms12891.
Gonzalez-Izquierdo, B., King, M., Gray, R. J., Wilson, R., Dance, R. J., Powell, H., Maclellan, D. A., McCreadie, J., Butler, N. M. H., Hawkes, S., Green, J. S., Murphy, C. D., Stockhausen, L. C., Carroll, D. C., Booth, N., Scott, G. G., Borghesi, M., Neely, D., & McKenna, P. (2016). Towards optical polarization control of laser-driven proton acceleration in foils undergoing relativistic transparency. Nature communications, 712891. https://doi.org/10.1038/ncomms12891
Gonzalez-Izquierdo, Bruno, et al. "Towards optical polarization control of laser-driven proton acceleration in foils undergoing relativistic transparency." Nature communications vol. 7 (2016): 12891. doi: https://doi.org/10.1038/ncomms12891
Gonzalez-Izquierdo B, King M, Gray RJ, Wilson R, Dance RJ, Powell H, Maclellan DA, McCreadie J, Butler NMH, Hawkes S, Green JS, Murphy CD, Stockhausen LC, Carroll DC, Booth N, Scott GG, Borghesi M, Neely D, McKenna P. Towards optical polarization control of laser-driven proton acceleration in foils undergoing relativistic transparency. Nat Commun. 2016 Sep 14;7:12891. doi: 10.1038/ncomms12891. PMID: 27624920; PMCID: PMC5027290.
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Nat Commun. 2016 Sep 14;7:12891. doi: 10.1038/ncomms12891.

Towards optical polarization control of laser-driven proton acceleration in foils undergoing relativistic transparency.

Nature communications

Bruno Gonzalez-Izquierdo, Martin King, Ross J Gray, Robbie Wilson, Rachel J Dance, Haydn Powell, David A Maclellan, John McCreadie, Nicholas M H Butler, Steve Hawkes, James S Green, Chris D Murphy, Luca C Stockhausen, David C Carroll, Nicola Booth, Graeme G Scott, Marco Borghesi, David Neely, Paul McKenna

Affiliations

  1. SUPA Department of Physics, University of Strathclyde, Glasgow G4 0NG, UK.
  2. Central Laser Facility, STFC Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, UK.
  3. Department of Physics, University of York, Heslington, York YO10 5DD, UK.
  4. Centro de Láseres Pulsados (CLPU), M5 Parque Científico, 37185 Salamanca, Spain.
  5. Centre for Plasma Physics, Queens University Belfast, Belfast BT7 1NN, UK.

PMID: 27624920 PMCID: PMC5027290 DOI: 10.1038/ncomms12891

Abstract

Control of the collective response of plasma particles to intense laser light is intrinsic to relativistic optics, the development of compact laser-driven particle and radiation sources, as well as investigations of some laboratory astrophysics phenomena. We recently demonstrated that a relativistic plasma aperture produced in an ultra-thin foil at the focus of intense laser radiation can induce diffraction, enabling polarization-based control of the collective motion of plasma electrons. Here we show that under these conditions the electron dynamics are mapped into the beam of protons accelerated via strong charge-separation-induced electrostatic fields. It is demonstrated experimentally and numerically via 3D particle-in-cell simulations that the degree of ellipticity of the laser polarization strongly influences the spatial-intensity distribution of the beam of multi-MeV protons. The influence on both sheath-accelerated and radiation pressure-accelerated protons is investigated. This approach opens up a potential new route to control laser-driven ion sources.

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