Characteristics of ion beams generated in the interaction of ultra-short laser pulses with ultra-thin foils

Year: 2020

Authors: McIlvenny A., Ahmed H., Scullion C., Doria D., Romagnani L., Martin P., Naughton K., Sgattoni A., Symes DR., Macchi A., McKenna P., Zepf M., Kar S., Borghesi M.

Autors Affiliation: Queens Univ Belfast, Ctr Plasma Phys, Univ Rd, Belfast BT7 1NN, Antrim, North Ireland; Horia Hulubei Inst Nucl Phys IFIN HH, ELI NP, Magurele, Romania; Ecole Polytech, LULI, CNRS, Route Saclay, F-91128 Palaiseau, France; CNR, INO Natl Inst Opt, Adrian Gozzini Unit, I-56124 Pisa, Italy; Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon, England; Univ Pisa, Enrico Fermi Dept Phys, Largo Bruno Pontecorvo 3, I-56127 Pisa, Italy; Univ Strathclyde, Dept Phys, SUPA, Glasgow G4 0NG, Lanark, Scotland; Helmholtz Inst Jena, Frobelstieg 3, D-07743 Jena, Germany.

Abstract: Experiments investigating ion acceleration from laser-irradiated ultra-thin foils on the GEMINI laser facility at the Rutherford appleton laboratory indicate a transition to ‘light sail’ radiation pressure acceleration when using circularly polarised, high contrast laser pulses. This paper complements previously published results with additional data and modelling which provide information on the multispecies dynamics taking place during the acceleration, and provides an indication on expected scaling of these processes at higher laser intensities.

Journal/Review: PLASMA PHYSICS AND CONTROLLED FUSION

Volume: 62 (5)      Pages from: 54001-1  to: 54001-8

More Information: Authors would like to thank the support of technical staff at the GEMINI laser facility at STFC Rutherford Appleton laboratory as well as the target fabrication group. The work was funded by EPSRC grants EP/K022415/1, EP/J003832/1, EP/J50094/1 with EPOCH funded by grants EP/G056803/1, EP/G055165/1 and EP/M022463/1. ALaDyn simulations were performed on 16 384 BlueGene/Q cores on FERMI at CINECA (Bologna, Italy). EPOCH si mulations were performed using computing resources provided by STFC Scientific Computing Department’s SCARF cluster as well as the Kelvin HPC cluster at Queen’s University Belfast. Data is available from 10.17034/bf77458d-25ac-49ab-a98b-a3461ec34b40.
KeyWords: radiation pressure; ion-acceleration; laser-plasma accelerator
DOI: 10.1088/1361-6587/ab7d26

ImpactFactor: 2.458
Citations: 6
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