Dresden 2020 – scientific programme
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 4: New Accelerator Concepts
AKBP 4.2: Talk
Monday, March 16, 2020, 16:45–17:00, GÖR 226
High intensity laser interaction with cryogenic hydrogen jet target — •Constantin Bernert1,2, Stefan Assenbaum1,2, Florian-E. Brack1,2, Lennart Gaus1,2, Stefan Kraft1, Florian Kroll1, Josefine Metzkes-Ng1, Martin Rehwald1,2, Marvin Reimold1,2, Hans-P. Schlenvoigt1, Karl Zeil1, Tim Ziegler1,2, and Ulrich Schramm1,2 — 1Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden, Germany — 2Technische Universität Dresden, Dresden, Germany
High-intensity short-pulse lasers in the Petawatt regime offer the possibility to study new compact accelerator schemes by utilizing high-density targets for the generation of energetic ion beams. The optimization of the acceleration process demands comprehensive exploration of the plasma dynamics involved, for example via optical probing. In particular, experiments using near critcal density cryogenic hydrogen jet targets with um-scale transverse size are well suited to deliver new results which can then be compared to predictive particle-in-cell simulations. We show the results of an experimental campaign at the DRACO PW laser at Helmholtz-Zentrum Dresden Rossendorf where we were able to tune the proton acceleration performance by dedicated shaping of the target density profile.