Topic: Ultrafast electron diffraction (UED) | SLAC National Accelerator . . . Ultrafast electron diffraction can reveal motions of electrons and atomic nuclei within molecules that take place in less than a tenth of a trillionth of a second – information that will benefit groundbreaking research in materials science, chemistry and biology MeV-UED page on LCLS websiteBrowse tagged content
Topic: MeV-UED | SLAC National Accelerator Laboratory The MeV-UED instrument, part of the LCLS User Facility, is a powerful “electron camera” for the study of time-resolved, ultrafast atomic molecular dynamics in chemical and solid-state systems Browse tagged content below SLAC staff scientist Alexander Reid handles an interchangeable sample card used to hold samples during UED experiments
SLAC’s high-speed electron camera uncovers a new ‘light-twisting . . . Using SLAC’s instrument for ultrafast electron diffraction (MeV-UED), one of the lab’s world-leading tools for ultrafast science, researchers discovered how an ultrathin material can circularly polarize light This discovery sets up a promising approach to manipulate light for applications in optoelectronic devices
SLAC researchers pioneer new methods in ultrafast science for sharper . . . in Nature Communications, researchers trained and used artificial intelligence (AI) to tune the MeV-UED electron beam and tailor it to a variety of experimental needs “These effects are profound for advancing beam instrumentation and diagnostics for SLAC electron accelerators and will enable a new frontier in exploring novel effects with unprecedented precision,” said Mohamed Othman, an
Researchers catch protons in the act of dissociation with SLAC’s . . . Scientists have caught fast-moving hydrogen atoms – the keys to countless biological and chemical reactions – in action A team led by researchers at the Department of Energy’s SLAC National Accelerator Laboratory and Stanford University used ultrafast electron diffraction (UED) to record the motion of hydrogen atoms within ammonia molecules Others had theorized they could track
Cutting-edge experiments reveal ‘hidden’ details in transforming material Using SLAC’s instrument for ultrafast electron diffraction (MeV-UED), researchers discovered how an ultrathin material can circularly polarize light This discovery sets up a promising approach to manipulate light for applications in optoelectronic devices
SLAC Builds One of the Worlds Fastest Electron Cameras The superior performance of the new UED system is due to a very stable “electron gun” originally developed for SLAC’s X-ray laser Linac Coherent Light Source (LCLS), a DOE Office of Science User Facility This electron source produces highly energetic electrons, packed into extremely short bunches
What will it take to bring fusion energy to the US power grid? MeV-UED helps us understand how different materials will behave in those conditions and identify the most durable options Looks like some great headway on the technical challenges But what about building up a workforce? SLAC is a destination for students who are excited to work in fusion
SLAC researchers help organize community challenge to benchmark . . . The researchers used an instrument for ultrafast electron diffraction (MeV-UED) at LCLS to resolve the split-second transformation of cyclobutanone with atomic-scale resolution, which they reported in a special issue of The Journal of Chemical Physics alongside the predictions and discussed further at a recent workshop