Linear accelerator-based free-electron lasers (FELs) are the leading source of fully coherent
X-rays with ultra-high peak powers and ultra-short pulse lengths. Current X-ray FEL facilities …

Laser-wakefield accelerators (LWFAs) were proposed more than three decades ago, and
while they promise to deliver compact, high energy particle accelerators, they will also …

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 …

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 …

Guiding of relativistically intense laser pulses with peak power of 0.85 PW over 15 diffraction
lengths was demonstrated by increasing the focusing strength of a capillary discharge …

Plasma-based accelerators use the strong electromagnetic fields that can be supported by
plasmas to accelerate charged particles to high energies. Accelerating field structures in …

This report presents the conceptual design of a new European research infrastructure
EuPRAXIA. The concept has been established over the last four years in a unique …

A simple, efficient scheme was developed to obtain near-gigaelectronvolt electron beams
with energy spreads of few per-mille level in a single-stage laser wakefield accelerator …

Laser-plasma wakefield accelerators have seen tremendous progress, now capable of
producing quasi-monoenergetic electron beams in the GeV energy range with few …

Laser-driven plasma accelerators provide acceleration gradients that are three orders of
magnitude greater than those generated by conventional accelerators, offering the potential …