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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 6: Plasma Accelerators, Ions II

AKBP 6.2: Vortrag

Dienstag, 10. März 2026, 11:30–11:45, SCH/A117

Hybrid study of the prepulse impact on cryogenic hydrogen target — •Arthur Hirsch Passicos¹, Stefan Assenbaum^1,2, Pawel Ordyna^1,2, Constantin Bernert¹, Thomas Kluge¹, and Martin Rehwald¹ — ¹Helmholtz-Zentrum Dresden - Rossendorf, 01328 Dresden, Germany — ²Technical University Dresden, Dresden, Germany

Laser-driven ion accelerators have become more prominent in many fields of applications but are very sensititive to the target density profile in order to to determine the acceleration scheme of the main interaction. At HZDR, we demonstrated the use of cryogenic hydrogen jet targets shaped with controlled prepulse in order to optimise the proton acceleration.

Based on these results, we will present an hydrid study of the target shaping combining hydrodynamic and Particle-in-Cell simulations. By combining the two types of codes, we can correctly simulate and analyse the laser absorption processes, the target expansion as well as the acceleration schemes at play over a large range of pre-pulse intensities and delays.

Keywords: Laser-Plasma Accelerators; Particle-In-Cell (PIC) Simulations; Hydrodynamic (FLASH) Simulations; Solid Hydrogen Targets; Ion Acceleration