Imaging of objects by coherent diffraction of X-ray free-electron laser pulses

Richard Kirian, Henry N. Chapman

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

X-ray free-electron lasers produce pulses of coherent X-rays that are up to nine orders of magnitude higher in peak brightness than the brightest synchrotron sources. These pulses vaporize any object placed in the focused beam, yet are brief enough to diffract from the object before significant radiation damage occurs. This process of "diffraction before destruction" overcomes previous exposure and dose limitations when imaging biological structures, which allow atomic-resolution structures to be determined from macromolecules without the need for large, strongly diffracting crystals that are difficult or impossible to grow. The extreme pulse intensity has allowed protein crystal sizes to be shrunk down to dimensions of hundreds of nanometers, expanding the range of structures that can be studied, potentially increasing the rate at which new structures can be determined, and allowing the tracking of conformational dynamics down to femtosecond timescales. Efforts are ongoing to reduce this all the way to the single molecule, opening up possibilities for robust phasing procedures to acquire model-free structures directly from the measurements. The new science of coherent diffractive imagingwould be well understood by the Braggs and Laue but makes use of recent theoretical insights, modern computational capabilities, and the laser-like X-ray sources of the twenty-first century.

Original languageEnglish (US)
Title of host publicationSynchrotron Light Sources and Free-Electron Lasers: Accelerator Physics, Instrumentation and Science Applications
PublisherSpringer International Publishing
Pages1135-1195
Number of pages61
ISBN (Electronic)9783319143941
ISBN (Print)9783319143934
DOIs
StatePublished - Jan 1 2016

Fingerprint

X ray lasers
Free electron lasers
free electron lasers
X-Ray Diffraction
Laser pulses
Lasers
Diffraction
X-Rays
Electrons
Imaging techniques
X rays
Crystals
Radiation damage
pulses
Synchrotrons
Macromolecules
diffraction
Luminance
x rays
Proteins

Keywords

  • Diffractive imaging
  • Iterative phase retrieval
  • X-ray diffraction
  • X-ray free-electron laser
  • X-ray microscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Engineering(all)
  • Materials Science(all)
  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Kirian, R., & Chapman, H. N. (2016). Imaging of objects by coherent diffraction of X-ray free-electron laser pulses. In Synchrotron Light Sources and Free-Electron Lasers: Accelerator Physics, Instrumentation and Science Applications (pp. 1135-1195). Springer International Publishing. https://doi.org/10.1007/978-3-319-14394-1_27

Imaging of objects by coherent diffraction of X-ray free-electron laser pulses. / Kirian, Richard; Chapman, Henry N.

Synchrotron Light Sources and Free-Electron Lasers: Accelerator Physics, Instrumentation and Science Applications. Springer International Publishing, 2016. p. 1135-1195.

Research output: Chapter in Book/Report/Conference proceedingChapter

Kirian, R & Chapman, HN 2016, Imaging of objects by coherent diffraction of X-ray free-electron laser pulses. in Synchrotron Light Sources and Free-Electron Lasers: Accelerator Physics, Instrumentation and Science Applications. Springer International Publishing, pp. 1135-1195. https://doi.org/10.1007/978-3-319-14394-1_27
Kirian R, Chapman HN. Imaging of objects by coherent diffraction of X-ray free-electron laser pulses. In Synchrotron Light Sources and Free-Electron Lasers: Accelerator Physics, Instrumentation and Science Applications. Springer International Publishing. 2016. p. 1135-1195 https://doi.org/10.1007/978-3-319-14394-1_27
Kirian, Richard ; Chapman, Henry N. / Imaging of objects by coherent diffraction of X-ray free-electron laser pulses. Synchrotron Light Sources and Free-Electron Lasers: Accelerator Physics, Instrumentation and Science Applications. Springer International Publishing, 2016. pp. 1135-1195
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