Dustin Offermann
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View article: 0D, 1D, 2D, and 3D simulations of an idealized coaxial impedance-matched Marx generator
0D, 1D, 2D, and 3D simulations of an idealized coaxial impedance-matched Marx generator Open
We have conducted 0D, 1D, 2D, and 3D simulations of an idealized coaxial impedance-matched Marx generator (IMG) []. The 0D calculations were conducted with a four-element circuit model; the 1D, 2D, and 3D calculations were conducted with h…
View article: Preliminary results investigating mix in colliding-shock experiments
Preliminary results investigating mix in colliding-shock experiments Open
View article: Overview of LANL short-pulse ion acceleration activities
Overview of LANL short-pulse ion acceleration activities Open
An overview of Los Alamos National Laboratory's activities related to short-pulse ion acceleration is presented. LANL is involved is several projects related to Inertial Confinement Fusion (Fast Ignition) and Laser-Ion Acceleration. LANL h…
View article: Preliminary results investigating mix in colliding-shock experiments (u)
Preliminary results investigating mix in colliding-shock experiments (u) Open
View article: Ion focusing experiments using cusped hemi targets and 75 MeV protons from the high-contrast LANL trident laser
Ion focusing experiments using cusped hemi targets and 75 MeV protons from the high-contrast LANL trident laser Open
View article: Raman backscattering from subpicosecond laser pulses in a relativistic laser-plasma interaction
Raman backscattering from subpicosecond laser pulses in a relativistic laser-plasma interaction Open
View article: The TRIDENT Laser at LANL: New "Dial-a-Contrast" and High-Contrast Experimental Capabilities
The TRIDENT Laser at LANL: New "Dial-a-Contrast" and High-Contrast Experimental Capabilities Open
View article: Two laser-driven experiments to study mix
Two laser-driven experiments to study mix Open
View article: Carbon ion beam focusing using laser irradiated heated diamond hemispherical shells
Carbon ion beam focusing using laser irradiated heated diamond hemispherical shells Open
Experiments preformed at the Los Alamos National Laboratory's Trident Laser Facility were conducted to observe the acceleration and focusing of carbon ions via the TNSA mechanism using hemispherical diamond targets. Trident is a 200TW clas…
View article: Quantitative spatiotemporal density evolution of aluminum heated purely by monochromatic electrons
Quantitative spatiotemporal density evolution of aluminum heated purely by monochromatic electrons Open
A spatially resolved air-wedge shearing interferometer and shadowgraph diagnostic provides measurements of electron density with a resolution of ∼40 μm. A ∼100-ns-long, monoenergetic electron bunch at 19.8 MeV and a current of 1.4 kA (8.5×…
View article: Kinetic simulations of sheared flow stabilization in high-temperature Z-pinch plasmas
Kinetic simulations of sheared flow stabilization in high-temperature Z-pinch plasmas Open
The first fully kinetic particle-in-cell (PIC) simulations of sheared flow stabilized Z-pinch plasmas show the suppression of the sausage instability by shear, ∂rvz ≠ 0, with flow Mach numbers ≲1, consistent with experimental observations.…
View article: High-Energy Electron Confinement in a Magnetic Cusp Configuration
High-Energy Electron Confinement in a Magnetic Cusp Configuration Open
We report experimental results validating the concept that plasma confinement is enhanced in a magnetic cusp configuration when beta (plasma pressure/magnetic field pressure) is order of unity. This enhancement is required for a fusion pow…
View article: Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics
Laser-to-hot-electron conversion limitations in relativistic laser matter interactions due to multi-picosecond dynamics Open
High-energy short-pulse lasers are pushing the limits of plasma-based particle acceleration, x-ray generation, and high-harmonic generation by creating strong electromagnetic fields at the laser focus where electrons are being accelerated …
View article: Temporal response of a surface flashover on a velvet cathode in a relativistic diode
Temporal response of a surface flashover on a velvet cathode in a relativistic diode Open
Surface flashover of a carbon fiber velvet cathode generates a discharge from which electrons are relativistically accelerated to γ ranging from 4.9 to 8.8 through a 17.8 cm diode. This discharge is assumed to be a hydrocarbon mixture. The…