Record Details

Title:
Sub-femtosecond precision measurement of relative X-ray arrival time for free-electron lasers
Affiliation(s):
EuXFEL staff, Other
Author group:
Instrument FXE
Management Board
X-Ray Photon Diagnostics
Topic:
Abstract:
Today's brightest coherent X-ray sources, X-ray free-electron lasers, produce ultrafast X-ray pulses for which full-width at half-maximum durations as short as 3 fs have been measured1. There has been a marked increase in the popularity of such short pulses now that optical timing techniques have begun to report an X-ray/optical delay below ∼10 fs r.m.s. errors. As a result, sub-10 fs optical pulses have been implemented at the Linac Coherent Light Source (LCLS) X-ray beamlines, thus warranting a push to reduce the error in X-ray/optical delay measurements to the 1 fs level. Here, we report a unique two-dimensional spectrogram measurement of the relative X-ray/optical delay. This easily scalable relative delay measurement already surpasses previous techniques by an order of magnitude with its sub-1 fs temporal resolution and opens up the prospect of time-resolved X-ray measurements to the attosecond community.
Imprint:
London [u.a.], Nature Publ. Group, 2014
Journal Information:
Nat. Photonics, 8, 9, 706-709 (2014)
ISSN:
1749-4885
1749-4893
Related external records:
DOI: 10.1038/nphoton.2014.164
WOS: WOS:000342600100013
Language(s):
English


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 Record created 2016-10-11, last modified 2019-02-12

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