16 citations · 32 across the 11 of their papers we have counts for
11 papers
High-order exponential solver method for particle-in-cell simulations in cylindrical geometry
Szilárd Majorosi, Nasr A. M. Hafz, Zsolt Lécz
Recent developments in high peak-power table-top laser systems reaching highly relativistic light intensities have led to significant advances in laser-driven particle acceleration…
High-order exponential solver method for particle-in-cell simulations
Szilárd Majorosi, Nasr Hafz, Zsolt Lécz
Outstanding advances in solid-state laser technology, employing the optical parametric chirped-pulse-amplification (OPCPA) technique, have led physicists to focus laser pulses to h…
Single-mode laser guiding in non-parabolic plasma channels for high-energy electron acceleration
Zsolt Lécz, Szilárd Majorosi, Nasr A. M. Hafz
The discovery of laser wakefield acceleration in gaseous plasma was a major milestone that could lead to a significant reduction of size and cost of large electron accelerators. Fo…
Ultra-short, MeV-scale laser-plasma positron source for positron annihilation lifetime spectroscopy
Thomas L. Audet, Aaron Alejo, Luke Calvin +10
Sub-micron defects represent a well-known fundamental problem in manufacturing since they can significantly affect performance and lifetime of virtually any high-value component. P…
A New Injection and Acceleration Scheme of Positrons in the Laser-Plasma Bubble Regime
Z. Y. Xu, C. F. Xiao, H. Y. Lu +15
A novel approach for positron injection and acceleration in laser driven plasma wakefield is proposed. A theoretical model is developed and confirmed through PIC simulation. One ri…
Resonantly excited betatron hard X-Rays from Ionization Injected Electron Beam in a Laser Plasma Accelerator
K. Huang, L. M. Chen, Y. F. Li +11
A new scheme for bright hard x-ray emission from laser wakefield electron accelerator is reported, where pure nitrogen gas is adopted. Intense Betatron x-ray beams are generated fr…
Quasi-monoenergetic Electron Beams from Laser-plasma Acceleration by Ionization-induced Injection in Low- density Pure Nitrogen
Mengze Tao, Nasr A. M. Hafz, Song Li +5
We report a laser wakefield acceleration of electron beams up to 130 MeV from laser-driven 4-mm long nitrogen gas jet. By using a moderate laser intensity (3.5*10^18 W.cm^(-2)) and…
Enhanced laser-driven electron beam acceleration due to ionization-induced injection
Song Li, Nasr A. M. Hafz, Mohammed Mirzaie +5
We report an overall enhancement of a laser wakefield acceleration (LWFA) using the ionization injection in a mixture of 0.3 % nitrogen gas in 99.7 % helium gas. Upon the interacti…
Enhanced electron yield from a laser-plasma accelerator using high-Z gas jet targets
Mohammad Mirzaie, Nasr A. M. Hafz, Song Li +5
An investigation of the multi-hundred MeV electron beam yield (charge) form helium, nitrogen, neon and argon gas jet plasmas in a laser-plasma wakefield acceleration experiment was…
Generation of electron beams from a laser-based advanced accelerator at Shanghai Jiao Tong University
Ahmed M. M. Elsied, Nasr A. M. Hafz, Song Li +3
At Shanghai Jiao Tong University, we have established a research laboratory for advanced acceleration research based on high-power lasers and plasma technologies. In a primary expe…
Enhancement of Betatron radiation from laser-driven Ar clustering gas
L. M. Chen, W. C. Yan, D. Z. Li +14
Bright betatron x-ray has been generated using an Ar clustering gas jet target irradiated with a 3 TW ultra-high contrast laser. The measured emission flux with photon energy > 2.4…