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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 27: Ultrashort Laser Pulses: Applications I

Q 27.3: Talk

Wednesday, March 10, 2010, 11:00–11:15, F 342

Low-Divergent, Energetic Electron Beams from Ultra-Thin Foils — •Thomas Kluge1, Michael Bussmann1, Sandrine Gaillard1, Kirk Flippo2, Cort Gautier2, Thomas Lockard4, M Lowenstern5, Yasuhiko Sentoku4, Karl Zeil1, Stephan Kraft1, Ulrich Schramm1, Thomas Cowan1, Roland Sauerbrey1, J.E. Mucino5, and Brady Gall31Forschungszentrum Dresden-Rossendorf e.V., Dresden, Germany — 2Loas Alamos National Laboratory, Los Alamos, USA — 3University of Missouri, Columbia, USA — 4University of Nevada, Reno, USA — 5University of Michigan, Ann Arbor, USA

We present recent experiments performed at the LANL Trident laser facility. A well collimated, energetic (up to ~90 MeV) electron beam has been observed in the laser direction following the short pulse (600 fs) high-intensity laser interaction with ASE-preheated ultra-thin solid foils. These results are in contrast to the typical low-energy divergent electrons accompanying ions in the target normal direction usually seen in solid targets. 2D particle-in-cell simulations suggest the excitation of a wakefield that can accelerate electrons to tens of MeV.

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