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Stuttgart 2012 – scientific programme

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P: Fachverband Plasmaphysik

P 17: Laserplasmen und innovative Anwendungen

P 17.1: Talk

Thursday, March 15, 2012, 10:30–10:45, V55.01

Ultra-thin polymer foils feature mono energetic multi-ion acceleration — •Bastian Aurand1,2,4,5, Jana Bierbach1,3, Sven Herzer1,3, Oliver Jäckel1,3, Stephan Kuschel1,3, Jens Polz1,3, Christian Rödel1,3, Huanyu Zhao2,6, Paul Gibbon5,7, Anupam Karmakar5,7, Bentsian Elkin8, Gerhard Paulus1,3, Malte Kaluza1,3, and Thomas Kühl1,2,4,51Helmholtz Institute Jena; 07743 Jena;Germany — 2GSI Helmholtz Center; 64291 Darmstadt; Germany — 3Institute for Optic and Quantum Electronics; Friedrich Schiller University; 07743 Jena; Germany — 4Johannes Gutenberg University; 55122 Mainz; Germany — 5EMMI Extreme Matter Institute; 64291 Darmstadt; Germany — 6Institute of Modern Physics; 73000 Lanzou; China — 7Research Center Jülich; 50428 Jülich; Germany — 8Fraunhofer Institute for Interfacial Engineering and Biotechnology; 70569 Stuttgart; Germany

Recent experiments on laser-ion-acceleration out of ultra-thin plastic foils performed at the JETI laser system in Jena show intriguing new results on collective multi-ion acceleration. We observe a mixed acceleration regime partly based on radiation-pressure acceleration (RPA) and Coulomb-explosion (CE). A detailed 2D PIC simulation supports our observations. Scans on different parameters like ellipticity and intensity allow a detailed understanding of the observed effects. In addition we improve the well known target-normal-sheath acceleration (TNSA) in case of using fully circular polarized light.

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