Modern electron linear accelerators are often designed to produce smooth bunch
distributions characterized by their macroscopic ensemble-average moments. However, an …

Hot electron emission from waveguide-integrated graphene has been recently shown to
occur at optical power densities multiple orders of magnitude lower than that of metal tips …

In this paper, molecular dynamic (MD) simulation was adopted to study the ductile response
of single-crystal GaAs during single-point diamond turning (SPDT). The variations of cutting …

The performance of accelerator applications like X-ray free electron lasers (XFELs) and
ultrafast electron diffraction (UED) and microscopy (UEM) experiments is limited by the …

III-V photocathodes with highly sensitive photoelectric response and broad spectral
response exhibit great potential as key components for optoelectronic devices. However …

Photonics integrated photocathodes can result in advanced electron sources for various
accelerator applications. In such photocathodes, light can be directed using waveguides …

InGaAsP photocathodes show great potential for near-infrared applications, particularly at
1.06 μm. However, vacancy defects are unavoidable in InGaAsP crystals during their growth …

Methods The bulk properties of In x Ga1-x As1-y P y at different In and P compositions are
calculated using the first-principles methods. Results The bandgap of In x Ga1-x As1-y P y is …

The application of negative electron affinity (NEA) photocathodes as high-frequency and
high external quantum efficiency electron emission sources has gained attention due to their …

Currently, negative electron affinity cathodes are considered as a potential high frequency
photoemitters due to their relatively high external quantum efficiency and low mean …