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MHz-TOMOSCOPY

MHz rate mulTiple prOjection X-ray MicrOSCOPY

Grant period2022-06-01 - 2025-11-30
Funding bodyEuropean Union
Call numberHORIZON-EIC-2021-PATHFINDEROPEN-01
Grant number101046448
IdentifierG:(EU-Grant)101046448

Note: Modern enabling technologies, such as additive manufacturing or cavitation peening used in the aerospace and automotive industries, suffer from a lack of diagnostic tools. To date, one cannot provide relevant volumetric information about the fast processes involved. The realization of this project will break the current limits in fast, 4D X-ray microscopy by three orders of magnitude. It will be possible to visualize and characterize dynamics reaching velocities up to ~km/s for the first time with micron-scale resolutions. Instead of sample rotation, we will generate multiple X-ray probes and virtually rotate them around the sample to obtain with a single exposure multiple angular views simultaneously. Using modern X-ray sources with very high brilliance, each such 3D frame may be sampled at kHz rates at synchrotrons and even MHz rates at X-ray free-electron laser sources. This will unlock access to 4D observation of processes with velocities never before possible. 4D imaging of opaque samples at MHz rates enables insights across a range of sectors and industries. In cavitation peening, an industrially relevant phenomenon for aerospace and new materials, we have no volumetric information, due to its high speed. This breakthrough will be achieved by the construction of a prototype that will demonstrate MHz rate tomoscopy at the European XFEL, taking advantage of world-unique European laboratories for the benefit of industry. Observing MHz-fast phenomena in opaque samples enables an entirely new branch of research, with possibilities for all sectors where such fast phenomena has, to date, been left to simulations and speculations. For industry and society, it would open new possibilities in the development and management of several techniques, including laser driven additive manufacturing, shock waves, fractures, evaporation, light alloy metallurgy, fast fluid dynamics, and cavitation phenomena.
   

Recent Publications

All known publications ...
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Development of MHz X-ray phase contrast imaging at the European XFEL
Journal of synchrotron radiation 32(1), 17 - 28 () [10.1107/S160057752400986X]  GO OpenAccess  Download fulltext Files  Download fulltextFulltext BibTeX | EndNote: XML, Text | RIS

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Development of crystal optics for X-ray multi-projection imaging for synchrotron and XFEL sources
Journal of synchrotron radiation 31(6), 1534 - 1550 () [10.1107/S1600577524008488]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Hard X-ray stereographic microscopy for single-shot differential phase imaging
Optics express 31(11), 18399 – 18406 () [10.1364/OE.492137]  GO OpenAccess  Download fulltext Files  Download fulltextFulltext BibTeX | EndNote: XML, Text | RIS

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A phenomenological model of the X-ray pulse statistics of a high-repetition-rate X-ray free-electron laser
IUCrJ 10(6), 708 - 719 () [10.1107/S2052252523008242]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Revealing the origins of vortex cavitation in a Venturi tube by high speed X-ray imaging
Ultrasonics sonochemistry 101, 106715 () [10.1016/j.ultsonch.2023.106715]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Laser-induced, single droplet fragmentation dynamics revealed through megahertz x-ray microscopy
Physics of fluids 35(11), 113323 () [10.1063/5.0171225]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Shot-to-shot two-dimensional photon intensity diagnostics within megahertz pulse-trains at the European XFEL
Journal of synchrotron radiation 29(4), 939 - 946 () [10.1107/S1600577522005720]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

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Megahertz Imaging the Implosion of Ultrasonic Bubbles and Their Effects on Exfoliation of 2D Functional Materials
Science advances 11(48), eady9558 () [10.1126/sciadv.ady9558]  GO OpenAccess  Download fulltext Files BibTeX | EndNote: XML, Text | RIS

All known publications ...
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 Record created 2023-02-23, last modified 2023-02-23
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