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 …

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

The properties of photoemission electron sources determine the ultimate performance of a
wide class of electron accelerators and photon detectors. To date, all high-efficiency visible …

Photocathodes—materials that convert photons into electrons through a phenomenon
known as the photoelectric effect—are important for many modern technologies that rely on …

We report the design and performance of a time-resolved electron diffraction apparatus
capable of producing intense bunches with simultaneously single digit micrometer probe …

New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes
are predicted based on the detected optical spin orientation effect and DFT band structure …

Femtosecond laser–driven photoemission source provides an unprecedented femtosecond-
resolved electron probe not only for atomic-scale ultrafast characterization but also for free …

Linear-accelerator-based applications like x-ray free electron lasers, ultrafast electron
diffraction, electron beam cooling, and energy recovery linacs use photoemission-based …

Since the introduction of the radio-frequency (rf) photoinjector electron source over thirty
years ago, peak performance demands have dictated the use of high accelerating electric …

The performance of x-ray free electron lasers and ultrafast electron diffraction experiments is
largely dependent on the brightness of electron sources from photoinjectors. The maximum …