Publications associated with Plasma Accelerators


All-optical steering of laser-wakefield-accelerated electron beams

Physical Review Letters 105 (2010)

A Popp, J Vieira, J Osterhoff, Z Major, R Hörlein, M Fuchs, R Weingartner, TP Rowlands-Rees, M Marti, RA Fonseca, SF Martins, LO Silva, SM Hooker, F Krausz, F Grüner, S Karsch

We investigate the influence of a tilted laser-pulse-intensity front on laser-wakefield acceleration. Such asymmetric light pulses may be exploited to obtain control over the electron-bunch-pointing direction and in our case allowed for reproducible electron-beam steering in an all-optical way within an 8 mrad opening window with respect to the initial laser axis. We also discovered evidence of collective electron-betatron oscillations due to off-axis electron injection into the wakefield induced by a pulse-front tilt. These findings are supported by 3D particle-in-cell simulations. © 2010 The American Physical Society.


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