Skip Navigation
Deutsche Version
How to reach us
Home - Organization - Staff - Giewekemeyer, Klaus

Contact details

Giewekemeyer, Klaus

Dr. Klaus Giewekemeyer

WP-84 (Scientific Instrument SPB/SFX)

+49 (0)40 8998-6930
+49 (0)40 8998-1905
Mailing address
European XFEL GmbH
Holzkoppel 4
22869 Schenefeld


  • Studies of physics at the University of Göttingen and at the University of California, San Diego
  • Dr. rer. nat. (Physics), University of Göttingen, Germany (2011)

Employment history

  • Postdoctoral researcher, University of Göttingen, Germany (2011)
  • Scientist at European XFEL (since 2011)

Research interests

  • Structure determination of (mainly) biological systems using coherent X-rays
  • Novel coherent imaging techniques
  • Characterization of X-ray wave fields and wave fronts at synchrotrons and FELs

Selected publications

  • K. Giewekemeyer et al., Tomography of a Cryo-immobilized Yeast Cell Using Ptychographic Coherent X-Ray Diffractive Imaging, Biophys. J. 109, 1986 (2015)
  • K. Giewekemeyer et al., High-dynamic-range coherent diffractive imaging: ptychography using the mixed-mode pixel array detector, J . Sync. Radiat. 21, 1167 (2014)
  • K. Giewekemeyer et al., Versatility of a hard X-ray Kirkpatrick-Baez focus characterized by ptychography, J. Synchrotron Rad. 20, 490 (2013)
  • K. Giewekemeyer et al., X-ray propagation microscopy of biological cells using waveguides as a quasi-point source, Phys. Rev. A 83, 023804 (2011)
  • K. Giewekemeyer et al., Ptychographic coherent x-ray diffractive imaging in the water window, Optics Express 19, 1037 (2011)
  • K. Giewekemeyer et al, Quantitative biological imaging by ptychographic x-ray diffraction microscopy, Proc. Natl. Ac. Sci. USA 107(2), 529 (2010)