Cited by 26Advanced X-ray Imaging TechniquesLaser-Matter Interactions and ApplicationsX-ray Spectroscopy and Fluorescence Analysis

Towards shot-noise limited diffraction experiments with table-top femtosecond hard x-ray sources

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Holtz, Marcel, Hauf, Christoph, Weisshaupt, Jannick, Salvador, Antonio-Andres Hernandez, Woerner, Michael, Elsaesser, Thomas·2017·Structural Dynamics

Abstract

Table-top laser-driven hard x-ray sources with kilohertz repetition rates are an attractive alternative to large-scale accelerator-based systems and have found widespread applications in x-ray studies of ultrafast structural dynamics. Hard x-ray pulses of 100 fs duration have been generated at the Cu Kα wavelength with a photon flux of up to 109 photons per pulse into the full solid angle, perfectly synchronized to the sub-100-fs optical pulses from the driving laser system. Based on spontaneous x-ray emission, such sources display a particular noise behavior which impacts the sensitivity of x-ray diffraction experiments. We present a detailed analysis of the photon statistics and temporal fluctuations of the x-ray flux, together with experimental strategies to optimize the sensitivity of optical pump/x-ray probe experiments. We demonstrate measurements close to the shot-noise limit of the x-ray source.

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  • Photon statistics and coincidence detection such as Hanbury-Brown-Twiss measurements detect higher-order light intensity correlations.

    “Photon statistics [53] and coincidence detection such as Hanbury-Brown-Twiss measurements detect higher-order light intensity correlations.”

    From Roadmap of ultrafast x-ray atomic and molecular physics (2018) · cites this paper as [53]

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  1. [23]R. Loudon, The Quantum Theory of Light (Oxford University Press, Oxford 2000), Chap. 5.
  2. [28]W. Lu, PhD thesis, dissertation (University Duisburg Essen, 2013).

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Authors
Holtz, M., Hauf, C., Weisshaupt, J., Salvador, A.-A. H., Woerner, M., & Elsaesser, T.
Affiliations
  • Max-Born-Institute for Nonlinear Optics and Short Pulse Spectroscopy (DE)
  • Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie , 12489 Berlin, Germany
Venue
Structural Dynamics
Published
2017-07-19
Volume
4
Issue
5
Pages
054304-054304
ISSN
2329-7778 (ISSN-L)
OpenAlex
W2737360065
Cited by
26
References
32
Citations by year
2026: 1 · 2025: 2 · 2024: 2 · 2023: 2 · 2022: 4 · 2021: 2 · 2020: 3 · 2019: 5 · 2018: 4 · 2017: 1
FWCI
3.35
Type
journal article
Language
en
Open access
Locations
  • Structural Dynamics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • RENATE (submittedVersion, cc-by-nc-nd)
  • RENATE (cc-by)
Funders
  • Deutsche Forschungsgemeinschaft (WO 558/13-2)
  • National Institutes of Health
Topics
  • Physical Sciences › Physics and Astronomy › Radiation › Advanced X-ray Imaging Techniques
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
  • Physical Sciences › Physics and Astronomy › Radiation › X-ray Spectroscopy and Fluorescence Analysis
Keywords
shot-noise limit, table-top X-ray source, laser-driven X-ray sources, photon statistics, Cu Kα, kilohertz repetition rate

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