Entrance to the Stanford Synchrotron Radiation Lightsource, near Stanford (USA).
Artist's impression of the interior of an superconducting resonator at the European XFEL (Germany), where electromagnetic fields accelerate the electrons.
In the process of building an undulator for the free-electron laser FLASH, at DESY (Germany).
Aerial plan of the European XFEL project, which is currently being built in the German federal states of Hamburg and Schleswig-Holstein.
Aerial view of the Advanced Photon Source, a facility of the Argonne National Laboratory, at Argonne (USA).