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.
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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.