laser driven electron accelerator
Modelling a laser plasma accelerator driven free electron laser
... new accelerator techniques. Laser-plasma accelerator (LPA) are a promising accelerator for next generation compact FEL light sources with many potential advantages due to the ...
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Acceleration and evolution of a hollow electron beam in wakefields driven by a Laguerre-Gaussian laser pulse
... hollow electron beam can be injected and accelerated by using a Laguerre-Gaussian laser pulse and ionization-induced injection in a laser wakefield ...relativistic electron beam are ...
7
Beam quality study for a grating based dielectric laser driven accelerator
... Dielectric laser-driven accelerators (DLAs) based on grating structures are considered to be one of the most promising technologies to reduce the size and cost of future particle ...Linear ...
8
Hybrid modeling of relativistic underdense plasma photocathode injectors
... increased electron bunch quality by employing an underdense photo- cathode plasma wakefield mechanism [33]—the equivalent of a solid photocathode in radio frequency (rf ) photoinjec- tor guns ...plasma ...
9
Chou, Shao-Wei (2016): Investigation of electron acceleration and deceleration in plasmas. Dissertation, LMU München: Fakultät für Physik
... Ultrafast electron diffraction (UED) is one of the most important tools for studies of molecular and phase ...experiments, electron bunches of 30 or 100 keV with 10s fs temporal duration are used as probes, ...
189
Plasma Wakefield Accelerator Research 2019 - 2040 : A community-driven UK roadmap compiled by the Plasma Wakefield Accelerator Steering Committee (PWASC)
... wakefield accelerator research ideally suited to support through the recently established ...wakefield accelerator community with the increase in funding needed for them to exploit their internationally ...
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Near threshold electron injection in the laser plasma wakefield accelerator leading to femtosecond bunches
... Here we show that just above the threshold for injection it is necessary to take into account the build-up of charge in the sheath-crossing region, as schematically shown in figure 1. We show that near-threshold injection ...
13
An ultrashort pulse ultra-violet radiation undulator source driven by a laser plasma wakefield accelerator
... The L3 and L4 images (Figs. 2(e) and 2(f), respectively, before and after the undulator) indicate reasonable focusing and transport of the main peak electrons through the undula- tor. At L3, the mean r.m.s. width is 580 ...
6
Near-threshold electron injection in the laser-plasma wakefield accelerator leading to femtosecond bunches
... Here we show that just above the threshold for injection it is necessary to take into account the build-up of charge in the sheath-crossing region, as schematically shown in figure 1. We show that near-threshold injection ...
13
Velocity dispersion of correlated energy spread electron beams in the free electron laser
... To illustrate the effects in a practical example, results from 3D Puffin simulations using parameters which may be expected from a laser plasma accelerator driven SASE FEL are now shown, displaying ...
9
Cárdenas Armas, Daniel E. (2017): Few-cycle laser-driven electron accelerators. Dissertation, LMU München: Fakultät für Physik
... ultrashort electron pulses is intrinsic to the LWFA mechanism, since the bunches occupy a fraction of the plasma wavelength which spans from few to many 10’s ...free-electron laser (XFEL). Reducing ...
143
Undulator radiation driven by laser-wakefield accelerator electron beams
... radiation, driven by a LWFA electron beam, has been ...long electron bunch length (lowering the peak current) and large energy ...given electron energy to maintain peak current while energy ...
7
Laser-driven very high energy electron/photon beam radiation therapy in conjunction with a robotic system
... current laser plasma electron acceleration experiments basically carried out in a single-shot mode may not ensure the performance of laser-driven electron beams in practical ...
20
Observation of laser power amplification in a self injecting laser wakefield accelerator
... the laser pulse moved at close to the re- duced group velocity, as represented by a horizontal line in the coordinate frame of the figure, in agreement with the pulse front etching model ...the laser was ...
6
Attosecond electron bunches from a nanofiber driven by Laguerre-Gaussian laser pulses
... attosecond electron bunches in our scheme results from the unique field structure of the circularly polarized LG laser ...LG-mode laser pulse with an OAM per photon but without total AM, which is ...
9
Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields
... relativistic electron beams, which transport part of the laser energy into the target ...overall laser-to-target energy coupling ef fi ciency is impaired by the large divergence of the electron ...
9
High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator
... wide-angle electron beams, the bunch duration, defined as the FWHM in direction of the foil normal, typically grows from about 300–500fs at the accelerator exit to 1–2ps at a distance of 1mm from the ...
11
Enhanced laser-energy coupling to dense plasmas driven by recirculating electron currents
... ected laser fi elds from the fi elds associated with the expanding electron population, the energy content and temperature of the electrons is considered in lieu of an absorption ...Example electron ...
9
Generation of electron high energy beams with a ring-like structure by a dual stage laser wakefield accelerator
... annular electron structure has a quasi- monoenergetic energy distribution, which corresponds to a singular localised injection ...an electron bunch with a narrow energy ...
8
A model of continuous linear electron accelerator
... linear electron accelerators operating in pulsed mode are used for practical ...linear electron accelerator based on a biperiodic decelerating structure, which operates in the standing wave ...an ...
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