Inverse bremsstrahlung absorption

D Turnbull, J Katz, M Sherlock, L Divol, NR Shaffer… - Physical Review Letters, 2023 - APS
Inverse bremsstrahlung absorption was measured based on transmission through a finite-
length plasma that was thoroughly characterized using spatially resolved Thomson …

Investigation on the origin of hot electrons in laser plasma interaction at shock ignition intensities

G Cristoforetti, F Baffigi, D Batani, R Dudzak… - Scientific reports, 2023 - nature.com
Shock Ignition is a two-step scheme to reach Inertial Confinement Fusion, where the
precompressed fuel capsule is ignited by a strong shock driven by a laser pulse at an …

PM2D: A parallel GPU-based code for the kinetic simulation of laser plasma instabilities at large scales

H Ma, L Tan, S Weng, W Ying, Z Sheng… - Computer Physics …, 2024 - Elsevier
Laser plasma instabilities (LPIs) have significant influences on the laser energy deposition
efficiency and therefore are important processes in inertial confined fusion (ICF). Numerical …

Measurement of stimulated Raman side-scattering predominance in directly driven experiment

K Glize, X Zhao, YH Zhang, CW Lian, S Tan… - Physics of …, 2023 - pubs.aip.org
Due to its particular geometry, stimulated Raman side-scattering (SRSS) drives scattered
light emission in non-usually diagnosed directions, leading to scarce and complex …

[HTML][HTML] Nonlinear branched flow of intense laser light in randomly uneven media

K Jiang, TW Huang, CN Wu, MY Yu, H Zhang… - Matter and Radiation …, 2023 - pubs.aip.org
Nonlinear branched flow of intense laser light in randomly uneven media | Matter and
Radiation at Extremes | AIP Publishing Skip to Main Content Umbrella Alt Text Umbrella Alt …

Experimental investigation of the interplay between optical and plasma smoothing induced on a laser megajoule beamline

S Depierreux, D Pesme, R Wrobel, DT Michel… - Physical Review …, 2023 - APS
Past experiments [S. Depierreux, Phys. Rev. Lett. 102, 195005 (2009) 10.1103/PhysRevLett.
102.195005] have exhibited the plasma-induced incoherence (PII) process and the reduced …

[HTML][HTML] Reconciling calculations and measurements of inverse bremsstrahlung absorption

D Turnbull, J Katz, M Sherlock, AL Milder, MS Cho… - Physics of …, 2024 - pubs.aip.org
It was recently shown that the use of Coulomb logarithms appropriate for bremsstrahlung
radiation (rather than transport processes) along with corrections for the Langdon effect and …

[HTML][HTML] Analytical modeling of the spray amplification of a spatially smoothed laser beam

C Ruyer, P Loiseau, V Tikhonchuk - Physics of Plasmas, 2024 - pubs.aip.org
Spatial amplification of the near-forward Brillouin scattering (FSBS) produced by a laser
beam smoothed with a random phase plate (RPP) is considered by using a novel technique …

PM2D: A parallel GPU-based code for the kinetic simulation of laser plasma instabilities in large scale plasmas

H Ma, L Tan, S Weng, W Ying, Z Sheng… - arxiv preprint arxiv …, 2024 - arxiv.org
Laser plasma instabilities (LPIs) have significant influences on the laser energy deposition
efficiency, hot electron generation, and uniformity of irradiation in inertial confined fusion …

[HTML][HTML] Accounting for speckle-scale beam bending in classical ray tracing schemes for propagating realistic pulses in indirect drive ignition conditions

C Ruyer, P Loiseau, G Riazuelo, R Riquier… - Matter and Radiation …, 2023 - pubs.aip.org
We propose a semi-analytical modeling of smoothed laser beam deviation induced by
plasma flows. Based on a Gaussian description of speckles, the model includes spatial …