New Laser Technique Captures Dynamic Processes of Quantum Materials
VANCOUVER, B.C., Dec. 11, 2019 — A new extreme-ultraviolet (UV) laser source, developed at the University of British Columbia (UBC), enables time-resolved photoemission spectroscopy, a technique for visualizing electron scattering processes at ultrafast timescales. Photoemission spectroscopy can record, frame-by-frame, how an electron interacts with certain atomic vibrations in a solid, capturing a process that can cause electrical resistance in some materials and macroscopic quantum phenomena such as superconductivity