Since the discovery of electron-wave duality, electron scattering instrumentation has
developed into a powerful array of techniques for revealing the atomic structure of matter …

Free-electron lasers produce extremely brief, coherent, and bright laser-like photon pulses
that allow to image matter at atomic resolution and at timescales faster than the …

The European XFEL is a hard X-ray free-electron laser (FEL) based on a high-electron-
energy superconducting linear accelerator. The superconducting technology allows for the …

The SwissFEL X-ray Free Electron Laser (XFEL) facility started construction at the Paul
Scherrer Institute (Villigen, Switzerland) in 2013 and will be ready to accept its first users in …

Edited by internationally recognized authorities in the field, this expanded and updated new
edition of the bestselling Handbook, containing many new articles, is aimed at the design …

Recently, few-femtosecond pulses have become available at hard X-ray free-electron lasers.
Coupled with the available sub-10 fs optical pulses, investigations into few-femtosecond …

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 …

Ultrashort flashes of THz light with low photon energies of a few meV, but strong electric or
magnetic field transients have recently been employed to prepare various fascinating …

Recent developments in X-ray free-electron lasers have enabled a novel site-selective
probe of coupled nuclear and electronic dynamics in photoexcited molecules, time-resolved …

Over the last 20 years, XUV and X-ray free-electron lasers have enabled a wide variety of
time-resolved experiments that have dramatically advanced our understanding of ultrafast …