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 …

Featured Application This article describes the layout of the European XFEL, a soft and hard
X-ray free-electron laser user facility starting operation in 2017. Emphasis is put on the …

The development of photoemission electron sources to specifically address the competing
and increasingly stringent requirements of advanced light sources such as x-ray free …

Abstract The PolariX TDS (Polarizable X-Band Transverse Deflection Structure) is an
innovative TDS-design operating in the X-band frequency-range. The design gives full …

Abstract The Horizon 2020 Project EuPRAXIA (" European Plasma Research Accelerator
with eXcellence In Applications") is preparing a conceptual design report of a highly …

Particle-beam-driven plasma wakefield acceleration (PWFA) enables various novel high-
gradient techniques for powering future compact light-source and high-energy physics …

Abstract At the Photo Injector Test facility at DESY in Zeuthen (PITZ), an R&D platform for
electron FLASH and very high energy electron radiation therapy and radiation biology is …

FLASH at DESY, Hamburg, Germany is the first free-electron laser (FEL) operating in the
extreme ultraviolet (EUV) and soft x-ray wavelength range. FLASH is a user facility providing …

A long-sought-after goal for photocathode electron sources has been to improve
performance by temporally shaping the incident excitation laser pulse. The narrow …

Electron photoinjectors provide high-brightness electron beams to numerous research
applications in physics, chemistry, material, and life sciences. Semiconductor photocathodes …