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

  • 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 provenThe 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.zeige mehrzeige weniger

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Metadaten
Autor*innen:A. Rack, Heinrich Riesemeier, S. Zabler, T. Weitkamp, Bernd R. MüllerORCiD, Gerd Weidemann, P. Modregger, J. Banhart, L. Helfen, A.N. Danilewsky, H.G. Gräber, R. Heldele, B. Mayzel, Jürgen Goebbels, T. Baumbach
Persönliche Herausgeber*innen: Stuart R. Stock
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Developments in X-Ray Tomography VI (Proceedings of SPIE)
Jahr der Erstveröffentlichung:2008
Herausgeber (Institution):The International Society for Optical Engineering (SPIE)
Jahrgang/Band:7078
Erste Seite:70780X-1 - 70780X-9
Freie Schlagwörter:Bragg magnification; Coherent imaging; Holotomography; Microtomography; Non-destructive evaluation; Scintillator; Synchrotron instrumentation; Synchrotron-CT; X-ray phase contrast; X-ray refraction; X-ray topography
DOI:10.1117/12.793721
ISSN:0277-786X
Verfügbarkeit des Dokuments:Physisches Exemplar in der Bibliothek der BAM vorhanden ("Hardcopy Access")
Bibliotheksstandort:Sonderstandort: Publica-Schrank
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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