Advances in bright electron sources
In this paper, we review the status of bright electron sources. High peak current (up to kA)
low emittance (< 1 mm rad) electron beams have been one of the critical components in the …
low emittance (< 1 mm rad) electron beams have been one of the critical components in the …
Single-crystal alkali antimonide photocathodes: High efficiency in the ultrathin limit
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 …
wide class of electron accelerators and photon detectors. To date, all high-efficiency visible …
Perspectives on designer photocathodes for x-ray free-electron lasers: Influencing emission properties with heterostructures and nanoengineered electronic states
The development of photoemission electron sources to specifically address the competing
and increasingly stringent requirements of advanced light sources such as x-ray free …
and increasingly stringent requirements of advanced light sources such as x-ray free …
New spin-polarized electron source based on alkali antimonide photocathode
New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes
are predicted based on the detected optical spin orientation effect and DFT band structure …
are predicted based on the detected optical spin orientation effect and DFT band structure …
Electronic structure of cesium-based photocathode materials from density functional theory: performance of PBE, SCAN, and HSE06 functionals
The development of novel materials for vacuum electron sources in particle accelerators is
an active field of research that can greatly benefit from the results of ab initio calculations for …
an active field of research that can greatly benefit from the results of ab initio calculations for …
[HTML][HTML] Theory of photoemission from cathodes with disordered surfaces
Linear-accelerator-based applications like x-ray free electron lasers, ultrafast electron
diffraction, electron beam cooling, and energy recovery linacs use photoemission-based …
diffraction, electron beam cooling, and energy recovery linacs use photoemission-based …
[HTML][HTML] Growth of ultra-flat ultra-thin alkali antimonide photocathode films
Ultra-flat, ultra-thin alkali antimonide photocathodes with high crystallinity can exhibit high
quantum efficiency and low mean transverse energy of outgoing electrons, which are …
quantum efficiency and low mean transverse energy of outgoing electrons, which are …
Physically and chemically smooth cesium-antimonide photocathodes on single crystal strontium titanate substrates
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 …
largely dependent on the brightness of electron sources from photoinjectors. The maximum …
Long lifetime of bialkali photocathodes operating in high gradient superconducting radio frequency gun
High brightness, high charge electron beams are critical for a number of advanced
accelerator applications. The initial emittance of the electron beam, which is determined by …
accelerator applications. The initial emittance of the electron beam, which is determined by …
Effects of physical and chemical surface roughness on the brightness of electron beams from photocathodes
The performance of free electron laser x-ray light sources, and systems for ultrafast electron
diffraction and ultrafast electron microscopy, is limited by the brightness of the electron …
diffraction and ultrafast electron microscopy, is limited by the brightness of the electron …