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 …

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 …

Free-electron lasers (FELs) are promising devices for generating light with laser-like
properties in the extreme ultraviolet and X-ray spectral regions. Recently, FELs based on the …

X-ray free-electron lasers (x-ray FELs) give us for the first time the possibility to explore
structures and dynamical processes of atomic and molecular systems at the angstrom …

X-ray free-electron lasers (FELs), which amplify light emitted by a relativistic electron beam,
are extending nonlinear optical techniques to shorter wavelengths, adding element …

Many advanced applications of X-ray free-electron lasers require pulse durations and time
resolutions of only a few femtoseconds. To generate these pulses and to apply them in time …

Generation of intense, fully coherent radiation with wide spectral coverage has been a long-
standing challenge for laser technologies. Several techniques have been developed in …

Accelerator-based light sources such as storage rings and free-electron lasers use
relativistic electron beams to produce intense radiation over a wide spectral range for …

The Shanghai soft X-ray Free-Electron Laser facility (SXFEL), which is the first X-ray FEL
facility in China, is being constructed in two phases: the test facility (SXFEL-TF) and the user …

Microbunching instability (MBI) driven by beam collective effects is known to be detrimental
to high-brightness storage rings, linacs, and free-electron lasers (FELs). One known way to …