Demonstration of scale-invariant Rayleigh-Taylor instability growth in laser-driven cylindrical implosion experiments

JP Sauppe, S Palaniyappan, BJ Tobias, JL Kline… - Physical Review Letters, 2020 - APS
Rayleigh-Taylor instability growth is shown to be hydrodynamically scale invariant in
convergent cylindrical implosions for targets that varied in radial dimension and implosion …

[HTML][HTML] Femtosecond pulsed laser ablation for paint removal at oblique illumination: Effect of the incidence angle

A Moreno, AJ López, J Lamas, A Ramil - Optik, 2022 - Elsevier
This research studies how the angle of incidence affects the ablation process when a pulsed
femtosecond laser with a wavelength of 1040 nm and a high repetition rate is applied to …

Design of cylindrical implosion experiments to demonstrate scale-invariant Rayleigh-Taylor instability growth

JP Sauppe, S Palaniyappan, JL Kline, KA Flippo… - High Energy Density …, 2020 - Elsevier
Radiation-hydrodynamics simulations are used to design laser-driven cylindrical implosion
experiments to directly measure hydrodynamic instability growth in convergent geometry …

A New Optimization Methodology for Polar Direct Drive Illuminations at the National Ignition Facility

D Barlow, A Colaïtis, D Viala, MJ Rosenberg… - Physical Review …, 2023 - hal.science
A new, efficient, algorithmic approach to create illumination configurations for laser driven
high energy density physics experiments is proposed. The method is applied to a polar …

[HTML][HTML] Hybrid direct drive with a two-sided ultraviolet laser

CA Thomas, M Tabak, NB Alexander… - Physics of …, 2024 - pubs.aip.org
This paper presents a “hybrid” approach to direct drive inertial confinement fusion that can
exploit a high-energy gas laser with two opposed beams. The target and driver are …

[HTML][HTML] Development of a directly driven multi-shell platform: Laser drive energetics

NS Krasheninnikova, MJ Schmitt, K Molvig… - Physics of …, 2020 - pubs.aip.org
Simulations predict that directly driven multi-shell targets can provide a robust alternative to
conventional high-convergence implosion concepts by coupling two to three times more …

Control of low-mode drive asymmetry in an efficient long-pulse low gas-fill density Hohlraum

N Izumi, T Döppner, JL Milovich, OL Landen… - Physics of …, 2023 - pubs.aip.org
Laser-driven Hohlraums filled with gas at lower densities (< 0.6 mg/cc) have higher
efficiency compared to original≥ 0.96 mg/cc fill because of reduced backscatter losses [Hall …

[HTML][HTML] Analytical derivation and numerical simulation of the ablation rate of a spherical target

YZ Han, YX Liu, YJ Li - Physics of Plasmas, 2024 - pubs.aip.org
This paper presents a quasi-steady-state analytical model of the plasma conduction region
of a spherical target, and the model is used to analyze the factors that influence the mass …

Studying Particle and Energy Transport using Nuclear and X-ray Diagnostics for Discovery Science and Inertial Confinement Fusion

PJ Adrian - 2023 - search.proquest.com
Obtaining a fundamental understanding of particle and energy transport in High Energy
Density Plasmas (HEDP) is essential for advancing basic plasma science and for correctly …

Observation of Abnormal Ablation Pressure in Ramp Laser Irradiation

P Tao, H Zhang, L Huang, S Chen, H Shu… - Available at SSRN … - papers.ssrn.com
Direct Laser drive is a promising way for dynamic compression or treatment of materials, and
the transient ablation pressure is the key issue of loading history for extensive application …