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Hard X-ray stereographic microscopy for single-shot differential phase imaging

DOI: 10.1364/OE.492137 DOI Help

Authors: Valerio Bellucci (European XFEL) , Marie-Christine Zdora (Paul Scherrer Institute; ETH Zürich) , Ladislav Mikes (European XFEL) , Šarlota Birnšteinová (European XFEL) , Peter Oberta (Institute of Physics, Academy of Sciences of the Czech Republic; Rigaku Innovative Technologies Europe) , Marco Romagnoni (INFN Sezione di Ferrara) , Andrea Mazzolari (INFN Sezione di Ferrara) , Pablo Villanueva-Perez (Lund University) , Rajmund Mokso (DTU Physic) , Christian David (Paul Scherrer Institute) , Mikako Makita (European XFEL) , Silvia Cipiccia (Diamond Light Source; University of Strathclyde) , Jozef Ulicny (Diamond Light Source; P. J. Šafárik University) , Alke Meents (Deutsches Elektronen-Synchrotron DESY) , Adrian P. Mancuso (European XFEL; La Trobe University) , Henry N. Chapman (Deutsches Elektronen-Synchrotron DESY; The Hamburg Centre for Ultrafast Imaging; Universität Hamburg) , Patrik Vagovic (European XFE; Deutsches Elektronen-Synchrotron DESY)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Optics Express , VOL 31

State: Published (Approved)
Published: May 2023
Diamond Proposal Number(s): 17739

Open Access Open Access

Abstract: The characterisation of fast phenomena at the microscopic scale is required for the understanding of catastrophic responses of materials to loads and shocks, the processing of materials by optical or mechanical means, the processes involved in many key technologies such as additive manufacturing and microfluidics, and the mixing of fuels in combustion. Such processes are usually stochastic in nature and occur within the opaque interior volumes of materials or samples, with complex dynamics that evolve in all three dimensions at speeds exceeding many meters per second. There is therefore a need for the ability to record three-dimensional X-ray movies of irreversible processes with resolutions of micrometers and frame rates of microseconds. Here we demonstrate a method to achieve this by recording a stereo phase-contrast image pair in a single exposure. The two images are combined computationally to reconstruct a 3D model of the object. The method is extendable to more than two simultaneous views. When combined with megahertz pulse trains of X-ray free-electron lasers (XFELs) it will be possible to create movies able to resolve 3D trajectories with velocities of kilometers per second.

Subject Areas: Materials, Engineering

Instruments: I13-1-Coherence

Added On: 22/05/2023 09:36

Discipline Tags:

Materials Engineering & Processes Materials Science Engineering & Technology

Technical Tags:

Imaging Tomography