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 …

The fourth generation of synchrotron radiation sources, commonly referred to as the Free
Electron Laser (FEL), provides an intense source of brilliant X-ray beams enabling the …

With gigaelectron-volts per centimetre energy gains and femtosecond electron beams, laser
wakefield acceleration (LWFA) is a promising candidate for applications, such as ultrafast …

Laser plasma accelerators (LPA) can sustain GeV/m accelerating fields offering outstanding
new possibilities for compact applications. The LPA beam brightness can now be …

Owing to their ultra-high accelerating gradients, combined with injection inside micrometer-
scale accelerating wakefield buckets, plasma-based accelerators hold great potential to …

We present significant advances in laser wakefield acceleration (LWFA) operating at a 1 kHz
repetition rate, employing a sub-TW, few-femtosecond laser and a continuously flowing …

Undulator based synchrotron light sources and Free Electron Lasers (FELs) are valuable
modern probes of matter with high temporal and spatial resolution. Laser Plasma …

Laser-plasma accelerators (LPAs) have the potential to drive compact free-electron lasers
(FELs). Even with LPA energy spreads typically at the percent level, the e-beam brightness …

The laser invention more than fifty years ago was a major scientific revolution. Among the
different possible gain media, the Free Electron–Lasers (FEL) uses free electrons in the …

In modern high-brightness electron accelerators, the goal of preserving the beam quality
from the source has long been pursued to ensure the fulfillment of their scientific missions …