D. Neely
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View article: Alloharmonics in Burst Intensification by Singularity Emitting Radiation
Alloharmonics in Burst Intensification by Singularity Emitting Radiation Open
Burst Intensification by Singularity Emitting Radiation (BISER) in underdense relativistic laser plasma is a bright source of coherent extreme ultraviolet (XUV) and x-ray radiation. In contrast to all harmonic generation mechanisms, high-r…
View article: Geometry effects on energy selective focusing of laser-driven protons with open and closed hemisphere-cone targets
Geometry effects on energy selective focusing of laser-driven protons with open and closed hemisphere-cone targets Open
Relativistically intense laser light interacting with solid density targets can accelerate protons to multi-MeV energies via the target normal sheath acceleration process. The use of hollow hemisphere targets with a hollow conical region t…
View article: Influence of spatial-intensity contrast in ultraintense laser–plasma interactions
Influence of spatial-intensity contrast in ultraintense laser–plasma interactions Open
Increasing the intensity to which high power laser pulses are focused has opened up new research possibilities, including promising new approaches to particle acceleration and phenomena such as high field quantum electrodynamics. Whilst th…
View article: Demonstration of TNSA proton radiography on the National Ignition Facility Advanced Radiographic Capability (NIF-ARC) laser
Demonstration of TNSA proton radiography on the National Ignition Facility Advanced Radiographic Capability (NIF-ARC) laser Open
Proton radiography using short-pulse laser drivers is an important tool in high-energy density (HED) science for dynamically diagnosing key characteristics in plasma interactions. Here we detail the first demonstration of target-normal she…
View article: Response of nuclear track detector CR-39 to low energy muons
Response of nuclear track detector CR-39 to low energy muons Open
The effectiveness of the PolyAllyl Diglycol Carbonate (PADC) etched solid state nuclear track detector (SSNTD), commonly known as CR-39, as a muon detector is assessed. CR-39 is successfully used to detect higher rest mass particles such a…
View article: Kinematics of femtosecond laser-generated plasma expansion: Determination of sub-micron density gradient and collisionality evolution of over-critical laser plasmas
Kinematics of femtosecond laser-generated plasma expansion: Determination of sub-micron density gradient and collisionality evolution of over-critical laser plasmas Open
An optical diagnostic based on resonant absorption of laser light in a plasma is introduced and is used for the determination of density scale lengths in the range of 10 nm to >1 μm at the critical surface of an overdense plasma. This d…
View article: Author Correction: Proof-of-principle experiment for laser-driven cold neutron source
Author Correction: Proof-of-principle experiment for laser-driven cold neutron source Open
View article: Influence of target-rear-side short scale length density gradients on laser-driven proton acceleration
Influence of target-rear-side short scale length density gradients on laser-driven proton acceleration Open
The effects of a short plasma density scale length on laser-driven proton acceleration from foil targets is investigated by heating and driving expansion of a large area of the target rear surface. The maximum proton energy, proton flux an…
View article: Accelerating the rate of discovery: toward high-repetition-rate HED science
Accelerating the rate of discovery: toward high-repetition-rate HED science Open
As high-intensity short-pulse lasers that can operate at high-repetition-rate (HRR) (>10 Hz) come online around the world, the high energy density (HED) science they enable will experience a radical paradigm shift. The >10 3 increase in sh…
View article: Characterisation of a laser plasma betatron source for high resolution x-ray imaging
Characterisation of a laser plasma betatron source for high resolution x-ray imaging Open
We report on the characterisation of an x-ray source, generated by a laser-driven plasma wakefield accelerator. The spectrum of the optimised source was consistent with an on-axis synchrotron spectrum with a critical energy of keV…
View article: Studies of electron and proton isochoric heating for fast ignition
Studies of electron and proton isochoric heating for fast ignition Open
Isochoric heating of inertially confined fusion plasmas by laser driven MeV electrons or protons is an area of great topical interest in the inertial confinement fusion community, particularly with respect to the fast ignition (FI) proposa…
View article: Design of activation based detection scheme for pulsed gamma ray emission from intense laser plasmas
Design of activation based detection scheme for pulsed gamma ray emission from intense laser plasmas Open
High intensity lasers (>1019 W/cm2) produce relativistic electrons when they interact with matter. The high energy electrons upon incidence on a solid target produce secondary emissions like protons, neutrons, positrons, x-ray emission and…
View article: A history of high-power laser research and development in the United Kingdom
A history of high-power laser research and development in the United Kingdom Open
The first demonstration of laser action in ruby was made in 1960 by T. H. Maiman of Hughes Research Laboratories, USA. Many laboratories worldwide began the search for lasers using different materials, operating at different wavelengths. I…
View article: Scaling of laser-driven electron and proton acceleration as a function of laser pulse duration, energy, and intensity in the multi-picosecond regime
Scaling of laser-driven electron and proton acceleration as a function of laser pulse duration, energy, and intensity in the multi-picosecond regime Open
A scaling study of short-pulse laser-driven proton and electron acceleration was conducted as a function of pulse duration, laser energy, and laser intensity in the multi-picosecond (ps) regime (∼0.8 ps–20 ps). Maximum proton energies sign…
View article: Sources and space–time distribution of the electromagnetic pulses in experiments on inertial confinement fusion and laser–plasma acceleration
Sources and space–time distribution of the electromagnetic pulses in experiments on inertial confinement fusion and laser–plasma acceleration Open
When high-energy and high-power lasers interact with matter, a significant part of the incoming laser energy is transformed into transient electromagnetic pulses (EMPs) in the range of radiofrequencies and microwaves. These fields can reac…
View article: Erratum: “First demonstration of ARC-accelerated proton beams at the National Ignition Facility” [Physics of Plasmas <b>26</b>, 043110 (2019)]
Erratum: “First demonstration of ARC-accelerated proton beams at the National Ignition Facility” [Physics of Plasmas <b>26</b>, 043110 (2019)] Open
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View article: Proof-of-principle experiment for laser-driven cold neutron source
Proof-of-principle experiment for laser-driven cold neutron source Open
View article: Enhanced laser intensity and ion acceleration due to self-focusing in relativistically transparent ultrathin targets
Enhanced laser intensity and ion acceleration due to self-focusing in relativistically transparent ultrathin targets Open
Laser-driven proton acceleration from ultrathin foils is investigated experimentally using F/3 and F/1 focusing. Higher energies achieved with F/3 are shown via simulations to result from self-focusing of the laser light in expanding foils…
View article: Enhanced spatial resolution of Eljen-204 plastic scintillators for use in rep-rated proton diagnostics
Enhanced spatial resolution of Eljen-204 plastic scintillators for use in rep-rated proton diagnostics Open
A pixelated scintillator has been designed, fabricated, and tested using a laser-accelerated proton source for use in proton diagnostics at rep-rated laser facilities. The work presented here demonstrates the enhanced spatial resolution of…
View article: Towards Terawatt-Scale Spectrally Tunable Terahertz Pulses via Relativistic Laser-Foil Interactions
Towards Terawatt-Scale Spectrally Tunable Terahertz Pulses via Relativistic Laser-Foil Interactions Open
An ever-increasing number of strong-field applications, such as ultrafast coherent control over matter and light, require driver light pulses that are both high power and spectrally tunable. The realization of such a source in the terahert…
View article: Application of compact laser-driven accelerator X-ray sources for industrial imaging
Application of compact laser-driven accelerator X-ray sources for industrial imaging Open
X-rays generated by betatron oscillations of electrons in a laser-driven plasma accelerator were characterised and applied to imaging industrial samples. With a 125 TW laser, a low divergence beam with 7.52.6 108 photons mrad−2 per pulse w…
View article: Optical probing of relativistic plasma singularities
Optical probing of relativistic plasma singularities Open
Singularities in multi-stream flows of relativistic plasmas can efficiently produce coherent high-frequency radiation, as exemplified in the concepts of the Relativistic Flying Mirror and Burst Intensification by Singularity Emitting Radia…
View article: Data associated with the manuscript titled “Towards terawatt-scale spectrally-tunable terahertz pulses via relativistic laser-foil interactions”
Data associated with the manuscript titled “Towards terawatt-scale spectrally-tunable terahertz pulses via relativistic laser-foil interactions” Open
This dataset includes experimental and numerical data from the manuscript 'Towards terawatt-scale spectrally-tunable terahertz pulses via relativistic laser-foil interactions'. The experimental data are obtained in the experiment titled “I…
View article: A miniature thermal neutron source using high power lasers
A miniature thermal neutron source using high power lasers Open
The continuous improvement of high power laser technologies is recasting the prospects of small-scale neutron sources to enable scientific communities and industries performing experiments that are currently offered at extensive accelerato…
View article: Energy absorption and coupling to electrons in the transition from surface- to volume-dominant intense laser–plasma interaction regimes
Energy absorption and coupling to electrons in the transition from surface- to volume-dominant intense laser–plasma interaction regimes Open
The coupling of laser energy to electrons is fundamental to almost all topics in intense laser–plasma interactions, including laser-driven particle and radiation generation, relativistic optics, inertial confinement fusion and laboratory a…
View article: Enhanced brightness of a laser-driven x-ray and particle source by microstructured surfaces of silicon targets
Enhanced brightness of a laser-driven x-ray and particle source by microstructured surfaces of silicon targets Open
The production of intense x-ray and particle sources is one of the most remarkable aspects of high energy laser interaction with a solid target. Wide application of these laser-driven secondary sources requires a high yield, which is parti…
View article: Data and DOIs related to “Laser produced electromagnetic pulses: generation, detection and mitigation”
Data and DOIs related to “Laser produced electromagnetic pulses: generation, detection and mitigation” Open
This repository entry is a central DOI for data related to the electromagnetic pulse (EMP) review paper titled: “Laser produced electromagnetic pulses: generation, detection and mitigation”. Data already in existing archives have the DOI p…
View article: Observation of Burst Intensification by Singularity Emitting Radiation generated from relativistic plasma with a high-intensity laser
Observation of Burst Intensification by Singularity Emitting Radiation generated from relativistic plasma with a high-intensity laser Open
Coherent x-rays via the Burst Intensification by Singularity Emitting Radiation (BISER) mechanism are generated from relativistic plasma in helium gas target. A broad modulation of the BISER spectrum, which is significantly wider than the …
View article: High order mode structure of intense light fields generated via a laser-driven relativistic plasma aperture
High order mode structure of intense light fields generated via a laser-driven relativistic plasma aperture Open
The spatio-temporal and polarisation properties of intense light is important in wide-ranging topics at the forefront of extreme light-matter interactions, including ultrafast laser-driven particle acceleration, attosecond pulse generation…
View article: Laser produced electromagnetic pulses: generation, detection and mitigation
Laser produced electromagnetic pulses: generation, detection and mitigation Open
This paper provides an up-to-date review of the problems related to the generation, detection and mitigation of strong electromagnetic pulses created in the interaction of high-power, high-energy laser pulses with different types of solid …