Micron-scale phenomena observed in a turbulent laser-produced plasma

G. Rigon (), B. Albertazzi, T. Pikuz, P. Mabey, V. Bouffetier, N. Ozaki, T. Vinci, F. Barbato, E. Falize, Y. Inubushi, N. Kamimura, K. Katagiri, S. Makarov, M. J.-E. Manuel, K. Miyanishi, S. Pikuz, O. Poujade, K. Sueda, T. Togashi, Y. Umeda, M. Yabashi, T. Yabuuchi, G. Gregori, R. Kodama, A. Casner and M. Koenig
Additional contact information
G. Rigon: LULI, CNRS, CEA, École Polytechnique, UPMC, Univ Paris 06: Sorbonne Universités, Institut Polytechnique de Paris
B. Albertazzi: LULI, CNRS, CEA, École Polytechnique, UPMC, Univ Paris 06: Sorbonne Universités, Institut Polytechnique de Paris
T. Pikuz: Institute for Open and Transdisciplinary Research Initiative, Osaka University
P. Mabey: LULI, CNRS, CEA, École Polytechnique, UPMC, Univ Paris 06: Sorbonne Universités, Institut Polytechnique de Paris
V. Bouffetier: Université de Bordeaux-CNRS-CEA, CELIA, UMR 5107
N. Ozaki: Graduate School of Engineering, Osaka University
T. Vinci: LULI, CNRS, CEA, École Polytechnique, UPMC, Univ Paris 06: Sorbonne Universités, Institut Polytechnique de Paris
F. Barbato: Université de Bordeaux-CNRS-CEA, CELIA, UMR 5107
E. Falize: CEA-DAM, DIF
Y. Inubushi: Japan Synchrotron Radiation Research Institute
N. Kamimura: Graduate School of Engineering, Osaka University
K. Katagiri: Graduate School of Engineering, Osaka University
S. Makarov: Joint Institute for High Temperatures RAS
M. J.-E. Manuel: General Atomics, Inertial Fusion Technologies
K. Miyanishi: RIKEN SPring-8 Center
S. Pikuz: Joint Institute for High Temperatures RAS
O. Poujade: CEA-DAM, DIF
K. Sueda: RIKEN SPring-8 Center
T. Togashi: Japan Synchrotron Radiation Research Institute
Y. Umeda: Graduate School of Engineering, Osaka University
M. Yabashi: Japan Synchrotron Radiation Research Institute
T. Yabuuchi: Japan Synchrotron Radiation Research Institute
G. Gregori: Department of Physics, University of Oxford
R. Kodama: Graduate School of Engineering, Osaka University
A. Casner: Université de Bordeaux-CNRS-CEA, CELIA, UMR 5107
M. Koenig: LULI, CNRS, CEA, École Polytechnique, UPMC, Univ Paris 06: Sorbonne Universités, Institut Polytechnique de Paris

Nature Communications, 2021, vol. 12, issue 1, 1-9

Abstract: Abstract Turbulence is ubiquitous in the universe and in fluid dynamics. It influences a wide range of high energy density systems, from inertial confinement fusion to astrophysical-object evolution. Understanding this phenomenon is crucial, however, due to limitations in experimental and numerical methods in plasma systems, a complete description of the turbulent spectrum is still lacking. Here, we present the measurement of a turbulent spectrum down to micron scale in a laser-plasma experiment. We use an experimental platform, which couples a high power optical laser, an x-ray free-electron laser and a lithium fluoride crystal, to study the dynamics of a plasma flow with micrometric resolution (~1μm) over a large field of view (>1 mm2). After the evolution of a Rayleigh–Taylor unstable system, we obtain spectra, which are overall consistent with existing turbulent theory, but present unexpected features. This work paves the way towards a better understanding of numerous systems, as it allows the direct comparison of experimental results, theory and numerical simulations.

Date: 2021
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DOI: 10.1038/s41467-021-22891-w

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