Dense attosecond electron sheets from laser wakefields using an up-ramp density transition
Controlled electron injection into a laser-driven wakefield at a well defined space and time is
reported based on particle-in-cell simulations. Key novel ingredients are an underdense …
reported based on particle-in-cell simulations. Key novel ingredients are an underdense …
Efficient electron injection by hybrid parametric instability and forward direct laser acceleration in subcritical plasma
I Tsymbalov, D Gorlova, K Ivanov… - Plasma Physics and …, 2020 - iopscience.iop.org
The efficient injection of electrons into a propagating relativistic laser pulse with normalized
vector potential a 0∼ 2 is demonstrated numerically and experimentally in a thin plasma …
vector potential a 0∼ 2 is demonstrated numerically and experimentally in a thin plasma …
Betatron radiation from density tailored plasmas
K Ta Phuoc, E Esarey, V Leurent… - Physics of …, 2008 - pubs.aip.org
In laser wakefield accelerators, electron motion is driven by intense forces that depend on
the plasma density. Transverse oscillations in the accelerated electron orbits produce …
the plasma density. Transverse oscillations in the accelerated electron orbits produce …
High-resolution phase-contrast imaging of biological specimens using a stable betatron X-ray source in the multiple-exposure mode
Phase-contrast imaging using X-ray sources with high spatial coherence is an emerging tool
in biology and material science. Much of this research is being done using large synchrotron …
in biology and material science. Much of this research is being done using large synchrotron …
Generation of intense ultrashort midinfrared pulses by laser-plasma interaction in the bubble regime
As an intense laser pulse propagates through an underdense plasma, the strong
ponderomotive force pushes away the electrons and produces a trailing plasma bubble. In …
ponderomotive force pushes away the electrons and produces a trailing plasma bubble. In …
Influence of target thickness on the generation of high-density ion bunches by ultrashort circularly polarized laser pulses
Ion acceleration by ultrashort circularly polarized laser pulse in a solid-density target is
investigated using two-dimensional particle-in-cell simulation. The ions are accelerated and …
investigated using two-dimensional particle-in-cell simulation. The ions are accelerated and …
Enhancement of injection and acceleration of electrons in a laser wakefield accelerator by using an argon-doped hydrogen gas jet and optically preformed plasma …
A systematic experimental study on injection of electrons in a gas-jet-based laser wakefield
accelerator via ionization of dopant was conducted. The pump-pulse threshold energy for …
accelerator via ionization of dopant was conducted. The pump-pulse threshold energy for …
Enhancement of laser-driven betatron X-rays by a density-depressed plasma structure
B Guo, Z Cheng, S Liu, XN Ning, J Zhang… - Plasma Physics and …, 2019 - iopscience.iop.org
We report a significant enhancement of betatron radiation from a laser wakefield accelerator
(LWFA) by inserting a density-depressed plasma structure. By using a technique of …
(LWFA) by inserting a density-depressed plasma structure. By using a technique of …
Simulation study of the sub-terawatt laser wakefield acceleration operated in self-modulated regime
CY Hsieh, MW Lin, SH Chen - Physics of Plasmas, 2018 - pubs.aip.org
Laser wakefield acceleration (LWFA) can be accomplished by introducing a sub-terawatt
(TW) laser pulse into a thin, high-density gas target. In this way, the self-focusing effect and …
(TW) laser pulse into a thin, high-density gas target. In this way, the self-focusing effect and …
Generation of quasi-monoenergetic electron beams with high charge by laser-driven plasma-based acceleration
S Masuda, E Miura - Applied physics express, 2008 - iopscience.iop.org
Quasi-monoenergetic electron beams containing more than 3× 10 8 electrons in the
monoenergtic peak with energies of 40 to 60 MeV have been obtained from a plasma …
monoenergtic peak with energies of 40 to 60 MeV have been obtained from a plasma …