Journal Article

PUBDB-2024-05496

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Development of MHz X-ray phase contrast imaging at the European XFEL

Koliyadu, J.Extern*XFEL.EU*DESY* ; Moško, D.XFEL.EU* ; Asimakopoulou, E. M.Extern*XFEL.EU* ; Bellucci, V.XFEL.EU*DESY* ; Birnšteinová, Š.XFEL.EU* ; Bean, R.XFEL.EU* ; Letrun, R.XFEL.EU* ; Kim, C.XFEL.EU* ; Kirkwood, H.XFEL.EU* ; Giovanetti, G.XFEL.EU* ; Jardon, N.XFEL.EU* ; Szuba, J.XFEL.EU* ; Guest, T.XFEL.EU* ; Koch, A.XFEL.EU* ; Grünert, J.XFEL.EU* ; Szeles, P.Extern*XFEL.EU* ; Villanueva-Perez, P.Extern*XFEL.EU* ; Reuter, F.XFEL.EU* ; Ohl, C.-D.Extern*XFEL.EU* ; Noack, M. A.Extern*XFEL.EU* ; Garcia-Moreno, F.Extern*XFEL.EU* ; Kuglerová-Valdová, Z. ; Juha, L.Extern* ; Nikl, M.Extern* ; Yashiro, W.Extern*XFEL.EU* ; Soyama, H.Extern*XFEL.EU* ; Eakins, D.Extern*XFEL.EU* ; Korsunsky, A.Extern*XFEL.EU* ; Uličný, J.Extern* ; Meents, A.CFEL*XFEL.EU*DESY* ; Chapman, H. N.CFEL*XFEL.EU*DESY* ; Mancuso, A. P.Extern*XFEL.EU* ; Sato, T.XFEL.EU* ; Vagovič, P. (Corresponding author)CFEL*XFEL.EU*DESY*

2025
IUCr Chester

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Please use a persistent id in citations: doi:10.1107/S160057752400986X  doi:10.3204/PUBDB-2024-05496

Abstract: We report on recent developments that enable megahertz hard X-ray phase contrast imaging (MHz XPCI) experiments at the Single Particles, Clusters, and Biomolecules and Seria Femtosecond Crystallography (SPB/SFX) instrument of the European XFEL facility (EuXFEL). We describe the technical implementation of the key components, including an MHz fast camera and a modular indirect X-ray microscope system based on fast scintillators coupled through a high-resolution optical microscope, which enable full-field X-ray microscopywith phase contrast of fast and irreversible phenomena. The image quality for MHz XPCI data showed significant improvement compared with a pilotdemonstration of the technique using parallel beam illumination, which also allows access to up to 24 keV photon energies at the SPB/SFX instrument of theEuXFEL. With these developments, MHz XPCI was implemented as a new method offered for a broad user community (academic and industrial) and is accessible via standard user proposals. Furthermore, intra-train pulse diagnostics, with a high few-micrometre spatial resolution and recording up to 128 images of consecutive pulses in a train at up to 1.1 MHz repetition rate isavailable upstream of the instrument. Together with the diagnostic camera upstream of the instrument and the MHz XPCI setup at the SPB/SFX instrument, simultaneous two-plane measurements for future beam studies and feedback for machine parameter tuning are now possible.

Note: Published at Journal of Synchrotron Radiation, title is: Development of MHz X-ray phase contrast imaging at the European XFEL

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Contributing Institute(s):

1. FS-CFEL-1 Fachgruppe BMX (FS-CFEL-1-BMX)
2. SPB/SFX (XFEL_E1_SPB/SFX)
3. FS-CFEL-1 (Group Leader: Henry Chapman) (CFEL-I)

Research Program(s):

1. 633 - Life Sciences – Building Blocks of Life: Structure and Function (POF4-633) (POF4-633)
2. MHz-TOMOSCOPY - MHz rate mulTiple prOjection X-ray MicrOSCOPY (101046448) (101046448)

Experiment(s):

1. SPB: Single Particles, clusters & Biomolecules (SASE1)

Appears in the scientific report 2025

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