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Imaging via Correlation of X-Ray Fluorescence Photons
DESY, Ctr Free Electron Laser Sci CFEL, Notkestr 85, D-22607 Hamburg, Germany..
Max Planck Inst Struct & Dynam Matter, D-22607 Hamburg, Germany.;Univ Hamburg, Hamburg Ctr Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany..
DESY, Ctr Free Electron Laser Sci CFEL, Notkestr 85, D-22607 Hamburg, Germany..
DESY, Ctr Free Electron Laser Sci CFEL, Notkestr 85, D-22607 Hamburg, Germany..
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2023 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 130, no 17, article id 173201Article in journal (Refereed) Published
Abstract [en]

We demonstrate that x-ray fluorescence emission, which cannot maintain a stationary interference pattern, can be used to obtain images of structures by recording photon-photon correlations in the manner of the stellar intensity interferometry of Hanbury Brown and Twiss. This is achieved utilizing femtosecondduration pulses of a hard x-ray free-electron laser to generate the emission in exposures comparable to the coherence time of the fluorescence. Iterative phasing of the photon correlation map generated a model-free real-space image of the structure of the emitters. Since fluorescence can dominate coherent scattering, this may enable imaging uncrystallised macromolecules.

Place, publisher, year, edition, pages
American Physical Society, 2023. Vol. 130, no 17, article id 173201
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:uu:diva-503245DOI: 10.1103/PhysRevLett.130.173201ISI: 000979791600002PubMedID: 37172237OAI: oai:DiVA.org:uu-503245DiVA, id: diva2:1767685
Funder
German Research Foundation (DFG), EXC 2056German Research Foundation (DFG), 390715994Swedish Research Council, 2018-00740Swedish Research Council, 2019-03935Available from: 2023-06-14 Created: 2023-06-14 Last updated: 2023-06-14Bibliographically approved

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Cardoch, SebastianPatra Kumar, KajwalTimneanu, NicusorCaleman, CarlChapman, Henry

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