A new scientific frontier opened in 2009 with the start of operations of the world's first x-ray
free-electron laser (FEL), the Linac Coherent Light Source (LCLS), at SLAC National …

The field of laser-matter interaction traditionally deals with the response of atoms, molecules,
and plasmas to an external light wave. However, the recent sustained technological …

X-ray free-electron lasers can generate intense and coherent radiation at wavelengths down
to the sub-ångström region,,,–, and have become indispensable tools for applications in …

High-intensity lasers are critical for the exploration of strong field quantum electrodynamics.
We report here a demonstration of laser intensity exceeding 10^23W/cm^2 with the CoReLS …

High-energy particle accelerators have been crucial in providing a deeper understanding of
fundamental particles and the forces that govern their interactions. To increase the energy of …

Smilei is a collaborative, open-source, object-oriented (C++) particle-in-cell code. To benefit
from the latest advances in high-performance computing (HPC), Smilei is co-developed by …

The dynamics of energetic particles in strong electromagnetic fields can be heavily
influenced by the energy loss arising from the emission of radiation during acceleration …

Multi-GeV electron beams with energy up to 4.2 GeV, 6% rms energy spread, 6 pC charge,
and 0.3 mrad rms divergence have been produced from a 9-cm-long capillary discharge …

The cost, size and availability of electron accelerators are dominated by the achievable
accelerating gradient. Conventional high-brightness radio-frequency accelerating structures …

Laser-plasma accelerators (LPAs) are capable of accelerating charged particles to very high
energies in very compact structures. In theory, therefore, they offer advantages over …