178 citations · 1.1k across the 30 of their papers we have counts for
24 papers · 1 filter
Electron Dynamics in a Wakefield Accelerator Driven by Laser Pulses Carrying Orbital Angular Momentum
Q. Qian, M. Li, Y. Ma +21
Laser pulses carrying orbital angular momentum (OAM) provide a new degree of freedom for controlling plasma-based accelerators. Here, we experimentally demonstrate OAM-driven laser…
Control of Magnetic Reconnection in High Energy Density Plasmas
J. L. Latham, B. K. Russell, C. Dong +6
Magnetic reconnection governs the explosive release of magnetic energy in systems from the solar corona to fusion plasmas, yet controlling it in the laboratory has remained out of…
Multi-messenger dynamic imaging of laser-driven shocks in water using a plasma wakefield accelerator
Mario D. Balcazar, Hai-En Tsai, Tobias Ostermayr +27
Understanding dense matter hydrodynamics is critical for predicting plasma behavior in environments relevant to laser-driven inertial confinement fusion. Traditional diagnostic sou…
Photo-induced pair production and strong field QED on Gemini
CH Keitel, A Di Piazza, GG Paulus +12
The extreme intensities obtainable with lasers such as Gemini allow non-linear QED phenomena to be investigated according to our calculations. Electron-positron pair production fro…
Beyond optimization -- supervised learning applications in relativistic laser-plasma experiments
Jinpu Lin, Qian Qian, Jon Murphy +5
We explore the applications of machine learning techniques in relativistic laser-plasma experiments beyond optimization purposes. We predict the beam charge of electrons produced i…
Characterisation of Laser Wakefield Acceleration Efficiency with Octave Spanning Near-IR Spectrum Measurements
M. J. V. Streeter, Y. Ma, B. Kettle +25
We report on experimental measurements of energy transfer efficiencies in a GeV-class laser wakefield accelerator. Both the transfer of energy from the laser to the plasma wakefiel…
Laser-Plasma Interactions Enabled by Emerging Technologies
J. P. Palastro, F. Albert, B. Albright +51
An overview from the past and an outlook for the future of fundamental laser-plasma interactions research enabled by emerging laser systems.
Ultrafast Imaging of Laser Driven Shock Waves using Betatron X-rays from a Laser Wakefield Accelerator
J. C. Wood, D. J. Chapman, K. Poder +21
Betatron radiation from laser wakefield accelerators is an ultrashort pulsed source of hard, synchrotron-like x-ray radiation. It emanates from a centimetre scale plasma accelerato…
Experimental observation of a current-driven instability in a neutral electron-positron beam
J. Warwick, T. Dzelzainis, M. E. Dieckmann +16
We report on the first experimental observation of a current-driven instability developing in a quasi-neutral matter-antimatter beam. Strong magnetic fields ( 1 T) are measur…
Relativistic Magnetic Reconnection in the Laboratory
A. Raymond, C. F. Dong, A. McKelvey +21
Magnetic reconnection is a fundamental plasma process involving an exchange of magnetic energy to plasma kinetic energy through changes in the magnetic field topology. In many astr…
Heavy ion acceleration using femtosecond laser pulses
G. M. Petrov, C. McGuffey, A. G. R. Thomas +2
Theoretical study of heavy ion acceleration from ultrathin (<200 nm) gold foils irradiated by a short pulse laser is presented. Using two dimensional particle-in-cell simulations t…
Heavy ion acceleration in the Breakout Afterburner regime
G. M. Petrov, C. McGuffey, A. G. R. Thomas +2
Theoretical study of heavy ion acceleration from an ultrathin (20 nm) gold foil irradiated by sub-picosecond lasers is presented. Using two dimensional particle-in-cell simulations…
Coherent control of plasma dynamics
Z. -H. He, B. Hou, V. Lebailly +3
Coherent control of a system involves steering an interaction to a final coherent state by controlling the phase of an applied field. Plasmas support coherent wave structures that…
Optimisation of the pointing stability of laser-wakefield accelerated electron beams
R. J. Garland, K. Poder, J. Cole +13
Laser-wakefield acceleration is a promising technique for the next generation of ultra-compact, high-energy particle accelerators. However, for a meaningful use of laser-driven par…
Generation of a neutral, high-density electron-positron plasma in the laboratory
G. Sarri, K. Poder, J. Cole +17
We report on the laser-driven generation of purely neutral, relativistic electron-positron pair plasmas. The overall charge neutrality, high average Lorentz factor ($γ_{e/p} \appro…
High Repetition-Rate Wakefield Electron Source Generated by Few-millijoule, 30 femtosecond Laser Pulses on a Density Downramp
Z. -H. He, B. Hou, J. H. Easter +3
We report on an experimental demonstration of laser wakefield electron acceleration using a sub-TW power laser by tightly focusing 30-fs laser pulses with only 8 mJ pulse energy on…
Non-invasive characterization of transverse beam emittance of electrons from a laser-plasma wakefield accelerator in the bubble regime using betatron x-ray radiation
S. Kneip, C. McGuffey, J. L. Martins +17
We propose and use a technique to measure the transverse emittance of a laser-wakefield accelerated beam of relativistic electrons. The technique is based on the simultaneous measu…
Laser acceleration of protons from near critical density targets for application to radiation therapy
S. S. Bulanov, D. W. Litzenberg, A. S. Pirozhkov +4
Laser accelerated protons can be a complimentary source for treatment of oncological diseases to the existing hadron therapy facilities. We demonstrate how the protons, accelerated…
Directed Coulomb Explosion regime of ion acceleration from mass limited targets by linearly and circularly polarized laser pulses
S. S. Bulanov, D. W. Litzenberg, K. Krushelnick +1
We consider the Directed Coulomb Explosion regime of ion acceleration from ultra-thin double layer (high Z/low Z) mass limited targets. In this regime the laser pulse evacuated the…
A Bright Spatially-Coherent Compact X-ray Synchrotron Source
S. Kneip, C. McGuffey, J. L. Martins +19
Each successive generation of x-ray machines has opened up new frontiers in science, such as the first radiographs and the determination of the structure of DNA. State-of-the-art x…
Ensemble of ultra-high intensity attosecond pulses from laser-plasma interaction
S. S. Bulanov, A. Maksimchuk, K. Krushelnick +3
The efficient generation of intense X-rays and -radiation is studied. The scheme is based on the relativistic mirror concept, {\it i.e.}, a flying thin plasma slab interacts wit…
Generation of GeV protons from 1 PW laser interaction with near critical density targets
Stepan S. Bulanov, Valery Yu. Bychenkov, Vladimir Chvykov +8
The propagation of ultra intense laser pulses through matter is connected with the generation of strong moving magnetic fields in the propagation channel as well as the formation o…
Accelerating Protons to Therapeutic Energies with Ultra-Intense Ultra-Clean and Ultra-Short Laser Pulses
Stepan S. Bulanov, Andrei Brantov, Valery Yu. Bychenkov +9
Proton acceleration by high-intensity laser pulses from ultra-thin foils for hadron therapy is discussed. With the improvement of the laser intensity contrast ratio to 10-11 achiev…
Resonant Plasma Wave Growth and Monoenergetic Electron Beam Production using Collinear High-Intensity Ultrashort Laser Pulses
A. G. R. Thomas, C. D. Murphy, S. P. D. Mangles +8
The resonant generation of relativistic plasma waves and plasma wave guiding by two co-propagating laser pulses has been studied. By proper timing between guiding and driver pulses…