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Proceedings Article

The high-resolution synchrotron-based imaging stations at the BAMline (BESSY) and TopoTomo (ANKA)

[+] Author Affiliations
Alexander Rack, Peter Modregger, Lukas Helfen, Richard Heldele, Tilo Baumbach

Forschungszentrum Karlsruhe GmbH (Germany)

Heinrich Riesemeier, Bernd R. Müller, Gerd Weidemann, Jürgen Goebbels

Federal Inst. for Materials Research and Testing (Germany)

Simon Zabler

Max-Planck-Inst. of Colloids and Interfaces (Germany)

Timm Weitkamp

Forschungszentrum Karlsruhe GmbH (Germany) and European Synchrotron Radiation Facility (France)

John Banhart

Hahn-Meitner-Institut Berlin GmbH (Germany)

Andreas N. Danilewsky

Albert-Ludwigs-Univ. Freiburg (Germany)

Hans G. Gräber

Rheinisch Westfälische Technische Hochschule (Germany)

Boaz Mayzel

Tel Aviv Univ. (Israel)

Proc. SPIE 7078, Developments in X-Ray Tomography VI, 70780X (September 16, 2008); doi:10.1117/12.793721
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From Conference Volume 7078

  • Developments in X-Ray Tomography VI
  • Stuart R. Stock
  • San Diego, California, USA | August 10, 2008

abstract

The BAMline at the BESSY light source in Berlin and the TopoTomo beamline at the ANKA synchrotron facility in Karlsruhe (both Germany) operate in the hard X-ray regime (above 6 keV) with similiar photon flux density. For typical imaging applications, a double multilayer monochromator or a filtered white beam is used. In order to optimise the field of view and the resolution of the available indirect pixel detectors, different optical systems have been installed, adapted, respectively, to a large field of view (macroscope) and to high spatial resolution (microscope). They can be combined with different camera systems, ranging from 16-bit dynamic range slow-scan CCDs to fast CMOS cameras. The spatial resolution can be brought substantially beyond the micrometer limit by using a Bragg magnifier. The moderate flux of both beamlines compared to other 3rd generation light sources is compensated by a dedicated scintillator concept. For selected applications, X-ray beam collimation has proven to be a reliable approach to increase the available photon flux density. Absorption contrast, phase contrast, holotomography and refraction-enhanced imaging are used depending on the application. Additionally, at the TopoTomo beamline digital white beam synchrotron topography is performed, using the digital X-ray pixel detectors installed.

© (2008) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Alexander Rack ; Heinrich Riesemeier ; Simon Zabler ; Timm Weitkamp ; Bernd R. Müller, et al.
"The high-resolution synchrotron-based imaging stations at the BAMline (BESSY) and TopoTomo (ANKA)", Proc. SPIE 7078, Developments in X-Ray Tomography VI, 70780X (September 16, 2008); doi:10.1117/12.793721; http://dx.doi.org/10.1117/12.793721


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