Bonn 2010 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 11: Beschleunigerphysik VI

HK 11.5: Vortrag

Montag, 15. März 2010, 17:45–18:00, HG ÜR 8

High Intensity Laser-Driven Ion Acceleration — •Andreas Henig1,2, Daniel Kiefer1,2, Daniel Jung1,2, Jörg Schreiber1,2, Rainer Hörlein1,2, Sven Steinke3, Matthias Schnürer3, Thomas Sokollik3, Peter Nickles3, Xueqing Yan1, Toshi Tajima2, Jürgen Meyer-ter-Vehn1, Manuel Hegelich2,4, Wolfgang Sandner3, and Dietrich Habs1,21Max-Planck-Institut für Quantenoptik, D-85748 Garching — 2Department für Physik, Ludwig-Maximilians-Universität München, D-85748 Garching — 3Max-Born-Institut, D-12489 Berlin — 4Los Alamos National Laboratory, New Mexico 87545, USA

Ion acceleration by intense laser-plasma interactions is a very active field of research whose development can be traced in a large number of publications over the last few years. Past studies were mostly performed irradiating thin foils where protons are predominantly accelerated to energies up to 60 MeV in an exponentially decaying spectrum by a mechanism named target normal sheath acceleration (TNSA). We present our latest experimental advances on acceleration schemes away from TNSA, such as shock acceleration [Henig et al., PRL 102, 095002 (2009)], ion beam generation from relativistically transparent targets [Henig et al., PRL 103, 045002 (2009)] and radiation-pressure acceleration [Henig et al., PRL 103, 245003 (2009)]. These results are a major step towards highly energetic, mono-chromatic ion beams generated at high conversion efficiencies as demanded by many potential applications. Those include fast ignition inertial confinement fusion (ICF) as well as oncology and radiation therapy of tumors.

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