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P: Fachverband Plasmaphysik

P 5: Laserplasmen und Quantenplasmen

P 5.2: Vortrag

Montag, 25. Februar 2013, 17:00–17:15, HS 3

Radiation Pressure Assisted Ion acceleration from multi-component targets — •Stephan Kuschel^1,2, Christian Rödel^1,2, Bastian Aurand^2,3, Oliver Jäckel^1,2, Gerhard G. Paulus^1,2, Matthew Zepf², Malte Kaluza^1,2, and Thomas Kühl^2,3,4 — ¹Institute of Optics and Quantum Electronics, Jena, Germany — ²Helmholtz Institute Jena, Jena, Germany — ³GSI Helmholtzzentum für Schwerionenforschung, Darmstadt, Germany — ⁴University of Mainz, Mainz, Germany

Monoenergetic ion acceleration using the radiation pressure of high intensity lasers has attracted a strong interest in recent years and holds promise for numerous applications. Laser particle simulations have shown that radiation pressure acceleration (RPA) is the dominant acceleration mechanism leading up to GeV proton energies for peak intensities of the order of 10²³ W/cm². Using a peak intensity of 5 · 10¹⁹ W/cm², however, we have observed the onset of RPA at the "JETI" laser system. This has been achieved using multi-component foil targets matching the density and thickness conditions for efficient RPA.