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Direct Electron Acceleration with Radially Polarized Laser Beams
Department of Physics and Centre for Photonics Research, University of Ottawa, 150 Louis Pasteur, Ottawa (Ontario) K1N 6N5, Canada
INRS Énergie Matériaux Télécommunications, Université du Québec, 1650 boulevard Lionel-Boulet, Varennes (Québec) J3X 1S2, Canada
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; in revised form: 15 January 2013 / Accepted: 16 January 2013 / Published: 30 January 2013
Abstract: 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
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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.
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. Applied Sciences. 2013; 3(1):70-93.
Varin, Charles; Payeur, Stéphane; Marceau, Vincent; Fourmaux, Sylvain; April, Alexandre; Schmidt, Bruno; Fortin, Pierre-Louis; Thiré, Nicolas; Brabec, Thomas; Légaré, François; Kieffer, Jean-Claude; Piché, Michel. 2013. "Direct Electron Acceleration with Radially Polarized Laser Beams." Appl. Sci. 3, no. 1: 70-93.