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P: Fachverband Plasmaphysik

P 17: Laserplasmen und innovative Anwendungen

P 17.1: Vortrag

Donnerstag, 15. März 2012, 10:30–10:45, V55.01

Ultra-thin polymer foils feature mono energetic multi-ion acceleration — •Bastian Aurand^1,2,4,5, Jana Bierbach^1,3, Sven Herzer^1,3, Oliver Jäckel^1,3, Stephan Kuschel^1,3, Jens Polz^1,3, Christian Rödel^1,3, Huanyu Zhao^2,6, Paul Gibbon^5,7, Anupam Karmakar^5,7, Bentsian Elkin⁸, Gerhard Paulus^1,3, Malte Kaluza^1,3, and Thomas Kühl^1,2,4,5 — ¹Helmholtz 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.