Ferenc Krausz Created 2026-10-18 Updated 2026-11-05
Ferenc Krausz coauthored a 2001 demonstration of attosecond timing using photoionization. A synchronized visible electric field changes the energy distribution of photoelectrons released by a soft-X-ray optical pulse. Scanning their relative delay converts an otherwise inaccessible time interval into a measured electron spectrum. The report inferred a soft-X-ray duration of attoseconds and demonstrated an instrument for probing electron dynamics on that scale.[ref]
Figure 1.
Portrait of Ferenc Krausz
. Thorsten Naeser / Max-Planck-Institut für Quantenoptik; existing cropped derivative. CC BY 2.0, via Wikimedia Commons. Source.