This paper compares different photocathodes that are applicable for electron injector
systems and summarizes the development in cathode technology in the last years. The …

Various continuous-wave (CW) electron gun technologies are reviewed, including DC,
superconducting radio frequency RF (SRF), hybrid DC-SRF and normal-conducting RF …

The production of high spectral brilliance radiation from electron beam sources depends
critically on the electron beam qualities. One must obtain very high electron beam …

Photocathodes are key elements in high-brightness electron sources and ubiquitous in the
operation of large-scale accelerators, although their operation is often limited by their …

Tsinghua University is currently developing a very-high-frequency electron gun that
operates in continuous-wave (cw) mode at 216.667 MHz. This gun will serve as the beam …

Ultrafast electron diffraction techniques that employ relativistic electrons as a probe have
been in the spotlight as a key technology for visualizing structural dynamics which take …

High-brightness megahertz-rate electron beams are highly desired for cutting-edge
applications in many areas of science. Photocathode electron guns capable of generating …

Photoinjectors and Free Electron Lasers (FEL) are amongst the most advanced systems in
accelerator physics and have consistently pushed the boundaries of emittance and x-ray …

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 …

Regulating the arrival time of electron bunches is a crucial step to improve the temporal
resolution of accelerator-based pump-probe experiments. In this regard, an electron beam …