101 citations · 796 across the 31 of their papers we have counts for
14 papers · 1 filter
A Scalable, High-Efficiency, Low-Energy-Spread, Laser Wakefield Accelerator using a Tri-plateau Plasma Channel
Shuang Liu, Fei Li, Shiyu Zhou +4
The emergence of multi-petawatt laser facilities is expected to push forward the maximum energy gain that can be achieved in a single stage of a LWFA to tens of GeV, which begs the…
Ultrafast Electron Diffraction with MeV Electron Source from a Laser Wakefield Accelerator
Yu Fang, Fei Li, Jianfei Hua +10
MeV ultrafast electron diffraction (UED) is a widely used technology for ultrafast structural dynamic studies of matters in numerous areas. The development of laser wakefield accel…
Phase space dynamics of a plasma wakefield dechirper for energy spread reduction
Y. P. Wu, J. F. Hua, Z. Zhou +12
Plasma-based accelerators have made impressive progress in recent years. However, the beam energy spread obtained in these accelerators is still at ~ 1 % level, nearly one order of…
A near-ideal dechirper for plasma-based electron and positron acceleration using a hollow channel plasma
Y. P. Wu, J. F. Hua, C. H. Pai +15
Plasma-based electron and positron wakefield acceleration has made great strides in the past decade. However one major challenge for its applications to coherent light sources and…
Temporal diagnostics of femtosecond electron bunches with complex structures using sparsity-based algorithm
Q. Q. Su, J. F. Hua, Z. Nie +5
Femtosecond electron bunches with complex temporal structures play a crucial role in THz generation, free-electron lasers and plasma wakefield accelerators. The ultrashort electron…
Ion acceleration with an ultra-intense two-frequency laser tweezer
Y. Wan, I. A. Andriyash, C. -H. Pai +9
Ultra-intense lasers produce and manipulate plasmas, allowing to locally generate extremely high static and electromagnetic fields. This Letter presents a concept of an ultra-inten…
Physical mechanism of the transverse instability in radiation pressure ion acceleration
Y. Wan, C. -H. Pai, C. J. Zhang +8
The transverse stability of the target is crucial for obtaining high quality ion beams using the laser radiation pressure acceleration (RPA) mechanism. In this letter, a theoretica…
Colliding ionization injection in a beam driven plasma accelerator
Y. Wan, C. J. Zhang, F. Li +7
The proposal of generating high quality electron bunches via ionization injection triggered by an counter propagating laser pulse inside a beam driven plasma wake is examined via t…
Generation of Low Absolute Energy Spread Electron Beams in Laser Wakefield Acceleration Using Tightly Focused Laser through Near-Ionization-Threshold Injection
F. Li, C. J. Zhang, Y. Wan +6
An enhanced ionization injection scheme using a tightly focused laser pulse with intensity near the ionization potential to trigger the injection process in a mismatched pre-plasma…
Exact phase space matching for staging plasma and traditional accelerator components using longitudinally tailored plasma profiles
X. L. Xu, Y. P. Wu, C. J. Zhang +10
Phase space matching between two plasma-accelerator (PA) stages and between a PA and a traditional accelerator component is a critical issue for emittance preservation of beams acc…
Generating 10~40MeV high quality monoenergetic electron beams using a 5TW 60fs laser at Tsinghua University
J. F. Hua, L. X. Yan, C. H. Pai +10
A unique facility for laser plasma physics and advanced accelerator research has been built recently at Tsinghua Universtiy. This system is based on Tsinghua Thomson scattering X-r…
Low emittance electron beam generation from a laser wakefield accelerator using two laser pulses with different wavelengths
X. L. Xu, Y. P. Wu, C. J. Zhang +8
Ionization injection triggered by short wavelength laser pulses inside a nonlinear wakefield driven by a longer wavelength laser is examined via multi-dimensional particle-in-cell…
Phase Space Dynamics of Ionization Injection in Plasma Based Accelerators
X. L. Xu, J. F. Hua, F. Li +11
The evolution of beam phase space in ionization-induced injection into plasma wakefields is studied using theory and particle-in-cell (PIC) simulations. The injection process cause…
Generation of High Brightness Electron Beams via Ionization Induced Injection by Transverse Colliding Lasers in a Beam-Driven Plasma Wakefield Accelerator
F. Li, J. F. Hua, X. L. Xu +10
The production of ultra-bright electron bunches using ionization injection triggered by two transversely colliding laser pulses inside a beam-driven plasma wake is examined via thr…