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P: Fachverband Plasmaphysik

P 16: Theory and Modelling II

P 16.7: Vortrag

Mittwoch, 2. März 2016, 16:10–16:25, b302

Laser Ion Acceleration of Spherical Mass Limited Solid Density Targets — •Axel Huebl^1,2, Thomas Kluge¹, René Widera¹, Peter Hilz³, Jörg Schreiber³, Ulrich Schramm¹, and Michael Bussmann¹ — ¹Helmholtz-Zentrum Dresden - Rossendorf — ²Technische Universtität Dresden — ³Ludwig-Maximilians-Universität München

We present simulation results regarding the acceleration of ions from mass limited solid density targets with short-pulse high power lasers. Taking advantage of large scale 3D3V PIC simulations (8000 GPUs each, INCITE award 2015) allows to give a detailed insight into the dynamics and unique features of truly isolated targets that were used in recent experiments.

We discuss the pre-plasma evolution, its dependence on laser contrast and its crucial influence on the dominant acceleration mechnanism and on the directionality of the laser-accelerated ion beams. Extensive 2D3V parameter scans are presented for comparison with commonly used flat, wire or mounted target designs.