Sensing the wavefront of x-ray free-electron lasers using aerosol spheres

Loh, D, Starodub, D, Lomb, L and Martin, A 2013, 'Sensing the wavefront of x-ray free-electron lasers using aerosol spheres', Optics Express, vol. 21, no. 10, pp. 12385-12394.

Document type: Journal Article
Collection: Journal Articles

Title Sensing the wavefront of x-ray free-electron lasers using aerosol spheres
Author(s) Loh, D
Starodub, D
Lomb, L
Martin, A
Year 2013
Journal name Optics Express
Volume number 21
Issue number 10
Start page 12385
End page 12394
Total pages 10
Publisher Optical Society of America
Abstract Characterizing intense, focused x-ray free electron laser (FEL) pulses is crucial for their use in diffractive imaging. We describe how the distribution of average phase tilts and intensities on hard x-ray pulses with peak intensities of 1021W/m2can be retrieved from an ensemble of diffraction patterns produced by 70 nm-radius polystyrene spheres, in a manner that mimics wavefront sensors. Besides showing that an adaptive geometric correction may be necessary for diffraction data from randomly injected sample sources, our paper demonstrates the possibility of collecting statistics on structured pulses using only the diffraction patterns they generate and highlights the imperative to study its impact on single-particle diffractive imaging.
Subject Condensed Matter Imaging
DOI - identifier 10.1364/OE.21.012385
Copyright notice © 2013 Optical Society of America.
ISSN 1094-4087
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