Record Details

Title:
Exploring the wavefront of hard X-ray free-electron laser radiation
Affiliation(s):
EuXFEL staff
Author group:
X-Ray Photon Diagnostics
X-Ray Optics
Topic:
Abstract:
The high photon flux and femtosecond pulse duration of hard X-ray free-electron lasers have spurred a large variety of novel and fascinating experiments in physical, chemical and biological sciences. Many of these experiments depend fundamentally on a clean, well-defined wavefront. Here we explore the wavefront properties of hard X-ray free-electron laser radiation by means of a grating interferometer, from which we obtain shot-to-shot wavefront information with an excellent angular sensitivity on the order of ten nanoradian. The wavefront distortions introduced by optical elements are observed in-situ and under operational conditions. The source-point position and fluctuations are measured with unprecedented accuracy in longitudinal and lateral direction, both during nominal operation and as the X-ray free-electron laser is driven into saturation.
Imprint:
London, Nature Publishing Group, 2012
Journal Information:
Nat. Commun., 3, 947 (2012)
ISSN:
2041-1723
Related external records:
View record in PubMed
DOI: 10.1038/ncomms1950
WOS: WOS:000306995000019
Language(s):
English


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 Record created 2016-10-11, last modified 2019-01-30


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