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 …

This review is focused on free-electron lasers (FELs) in the hard to soft x-ray regime. The
aim is to provide newcomers to the area with insights into: the basic physics of FELs, the …

X-ray free-electron lasers (FELs) are state-of-the-art scientific tools capable to study matter
on the scale of atomic processes. Since the initial operation of X-ray FELs more than a …

The X-ray free-electron laser has opened a new era for photon science, improving the X-ray
brightness by ten orders of magnitude over previously available sources. Similar to an …

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 …

Abstract The Shanghai Coherent Light Facility (SCLF) is a newly proposed high repetition-
rate X-ray FEL facility, based on an 8-GeV CW superconducting RF linac. It will be located at …

The SwissFEL soft X-ray free-electron laser (FEL) beamline Athos will be ready for user
operation in 2021. Its design includes a novel layout of alternating magnetic chicanes and …

To improve temporal coherence in electron beam based light sources, various techniques
employ frequency up conversion of external seed sources via electron beam density …

This report describes the conceptual design of a proposed free electron laser test facility
called CLARA that will be a major upgrade to the existing VELA accelerator test facility at …