A multi-shot target-wheel assembly for high-repetition-rate, laser-driven proton acceleration
Abstract
A multi-shot target assembly and automatic alignment procedure for laser-plasma proton acceleration at high-repetition-rate are introduced. The assembly is based on a multi-target rotating wheel capable of hosting 5000 targets, mounted on a three-dimensional motorised stage to allow rapid replenishment and alignment of the target material between laser irradiations. The automatic alignment procedure consists of a detailed mapping of the impact positions at the target surface prior to the irradiation that ensures stable operation of the target, which alongside the purpose-built design of the target wheel, enable the operation at rates up to 10 Hz. Stable and continuous laser-driven proton acceleration is demonstrated, with observed cut-off energy stability about 15%.
Keywords
Cite
@article{arxiv.2401.10173,
title = {A multi-shot target-wheel assembly for high-repetition-rate, laser-driven proton acceleration},
author = {J. Peñas and A. Bembibre and D. Cortina-Gil and L. Martin and A. Reija and C. Ruiz and M. Seimetz and A. Alejo and J. Benlliure},
journal= {arXiv preprint arXiv:2401.10173},
year = {2024}
}
Comments
8 pages, 5 figures