Publikation:

Diffraction based Hanbury Brown and Twiss interferometry at a hard x-ray free-electron laser

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Gorobtsov_2-nsnyi57onoo57.pdf
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Datum

2018

Autor:innen

Gorobtsov, Oleg Yu.
Mukharamova, Nastasia
Lazarev, Sergey
Chollet, Matthieu
Zhu, Diling
Feng, Yiping
Kurta, Ruslan P.
Williams, Garth
Vartanyants, Ivan A.
et al.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-nsnyi57onoo57
DOI (zitierfähiger Link)
https://doi.org/10.1038/s41598-018-19793-1
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CC BY 4.0

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Physik: Publikationen
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Published

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Scientific reports. 2018, 8, 2219. eISSN 2045-2322. Available under: doi: 10.1038/s41598-018-19793-1

Zusammenfassung

X-ray free-electron lasers (XFELs) provide extremely bright and highly spatially coherent x-ray radiation with femtosecond pulse duration. Currently, they are widely used in biology and material science. Knowledge of the XFEL statistical properties during an experiment may be vitally important for the accurate interpretation of the results. Here, for the first time, we demonstrate Hanbury Brown and Twiss (HBT) interferometry performed in diffraction mode at an XFEL source. It allowed us to determine the XFEL statistical properties directly from the Bragg peaks originating from colloidal crystals. This approach is different from the traditional one when HBT interferometry is performed in the direct beam without a sample. Our analysis has demonstrated nearly full (80%) global spatial coherence of the XFEL pulses and an average pulse duration on the order of ten femtoseconds for the monochromatized beam, which is significantly shorter than expected from the electron bunch measurements.

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530 Physik

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ISO 690GOROBTSOV, Oleg Yu., Nastasia MUKHARAMOVA, Sergey LAZAREV, Matthieu CHOLLET, Diling ZHU, Yiping FENG, Ruslan P. KURTA, Janne-Mieke MEIJER, Garth WILLIAMS, Ivan A. VARTANYANTS, 2018. Diffraction based Hanbury Brown and Twiss interferometry at a hard x-ray free-electron laser. In: Scientific reports. 2018, 8, 2219. eISSN 2045-2322. Available under: doi: 10.1038/s41598-018-19793-1
BibTex
@article{Gorobtsov2018Diffr-43375,
  year={2018},
  doi={10.1038/s41598-018-19793-1},
  title={Diffraction based Hanbury Brown and Twiss interferometry at a hard x-ray free-electron laser},
  volume={8},
  journal={Scientific reports},
  author={Gorobtsov, Oleg Yu. and Mukharamova, Nastasia and Lazarev, Sergey and Chollet, Matthieu and Zhu, Diling and Feng, Yiping and Kurta, Ruslan P. and Meijer, Janne-Mieke and Williams, Garth and Vartanyants, Ivan A.},
  note={Article Number: 2219}
}
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