Recently, considerable work has been directed at the development of an ultracompact X-ray
free-electron laser (UCXFEL) based on emerging techniques in high-field cryogenic …

In the field of beam physics, two frontier topics have taken center stage due to their potential
to enable new approaches to discovery in a wide swath of science. These areas are …

We present the first lasing results of SwissFEL, a hard X-ray free-electron laser (FEL) that
recently came into operation at the Paul Scherrer Institute in Switzerland. SwissFEL is a very …

The successful development in the last two decades of X-ray free electron lasers (FELs) with
their revolutionary brightness performance has been tightly dependent on the parallel …

Short period, high field undulators can enable short wavelength free electron lasers (FELs)
at low beam energy, with decreased gain length, thus allowing much more compact and less …

The transverse emittance of the electron beam is a fundamental parameter in linac-based x-
ray free-electron lasers (FELs). We present results of emittance measurements carried out at …

The creation of the first X-ray free-electron laser at SLAC in 2009 introduced the scientific
community to coherent photons of unprecedented high brightness. These photons were …

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 …

Materials science needs to study dynamic properties of high-Z materials lead to a unique
and challenging set of requirements for future X-ray free-electron lasers (XFELs), with single …

X-ray free electron lasers (FELs) are large-scale scientific facilities that hold great promise
for the generation of coherent short-wavelength radiation with ultra-high brightness and ultra …