Speaker
Paul Denham
(Particle Beam Physics Lab (PBPL))
Description
Ultrafast Electron Diffraction (UED) is a pioneering method for real-time observation of atomic-level structures. Recent advancements leverage relativistic electrons from radiofrequency (RF) guns to overcome space charge limitations, enhancing resolution. While perspectives may differ, an ongoing debate surrounds the optimal energy for a UED instrument. Our study contributes to this discussion by employing an 8.2 MeV electron beam and a compact post-sample magnetic optical system with small-gap Halbach permanent magnet quadrupoles. This system allows tunable magnification and improved reciprocal space resolution in a compact footprint, as demonstrated in simulations and experiments with a single crystal Au sample.
| Region represented | North America |
|---|---|
| Paper preparation format | LaTeX |
Primary author
Paul Denham
(Particle Beam Physics Lab (PBPL))
Co-authors
Andrew Fisher
(Particle Beam Physics Lab (PBPL))
Pietro Musumeci
(University of California, Los Angeles)
Robert England
(SLAC National Accelerator Laboratory)
