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Updated: Jun 8, 2026

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
Published on: October 11, 2016
Attosecond streaking enables the measurement of quantum phase
V S Yakovlev1, J Gagnon, N Karpowicz
1Department für Physik, Ludwig-Maximilians-Universität, Am Coulombwall 1, Germany. vladislav.yakovlev@physik.uni-muenchen.de
Abstract:
Attosecond streaking, as a measurement technique, was originally conceived as a means to characterize attosecond light pulses, which is a good approximation if the relevant transition matrix elements are approximately constant within the bandwidth of the light pulse. Our analysis of attosecond streaking measurements on systems with a complex response to the photoionizing pulse reveals the relation between the momentum-space wave function of the outgoing electron and the result of conventional retrieval algorithms. This finding enables the measurement of the quantum phase associated with bound-continuum transitions.
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