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Appl. Sci. 2013, 3(1), 70-93; doi:10.3390/app3010070

Direct Electron Acceleration with Radially Polarized Laser Beams

1,* , 2,* , 3
1 Department of Physics and Centre for Photonics Research, University of Ottawa, 150 Louis Pasteur, Ottawa (Ontario) K1N 6N5, Canada 2 INRS Énergie Matériaux Télécommunications, Université du Québec, 1650 boulevard Lionel-Boulet, Varennes (Québec) J3X 1S2, Canada 3 Centre d’optique, photonique et laser, Université Laval, 2375 de la Terrasse, Québec (Québec) G1V 0A6, Canada
* Authors to whom correspondence should be addressed.
Received: 3 December 2012 / Revised: 15 January 2013 / Accepted: 16 January 2013 / Published: 30 January 2013
(This article belongs to the Special Issue Ultraintense Ultrashort Pulse Lasers)
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In the past years, there has been a growing interest in innovative applications of radially polarized laser beams. Among them, the particular field of laser-driven electron acceleration has received much attention. Recent developments in high-power infrared laser sources at the INRS Advanced Laser Light Source (Varennes, Qc, Canada) allowed the experimental observation of a quasi-monoenergetic 23-keV electron beam produced by a radially polarized laser pulse tightly focused into a low density gas. Theoretical analyses suggest that the production of collimated attosecond electron pulses is within reach of the actual technology. Such an ultrashort electron pulse source would be a unique tool for fundamental and applied research. In this paper, we propose an overview of this emerging topic and expose some of the challenges to meet in the future.
Keywords: radially polarized beams; electron acceleration; high-power infrared sources radially polarized beams; electron acceleration; high-power infrared sources
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Varin, C.; Payeur, S.; Marceau, V.; Fourmaux, S.; April, A.; Schmidt, B.; Fortin, P.-L.; Thiré, N.; Brabec, T.; Légaré, F.; Kieffer, J.-C.; Piché, M. Direct Electron Acceleration with Radially Polarized Laser Beams. Appl. Sci. 2013, 3, 70-93.

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