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Berlin 2008 – scientific programme

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MM: Fachverband Metall- und Materialphysik

MM 23: Poster session

MM 23.18: Poster

Tuesday, February 26, 2008, 14:45–18:00, Poster B

The Imaging Beamline at PETRA III — •Astrid Haibel, Felix Beckmann, Julia Herzen, Thomas Dose, Sven Utcke, and Andreas Schreyer — GKSS Research Centre Geesthacht

Since 2007 the GKSS is responsible for construction and operation of the Imaging Beamline at the new synchrotron source PETRA III at DESY. Due to the high brillance (most brilliant X-ray source worldwide), the low emittance of 1nm rad (unrivaled for current storage rings at comparable high particle energies) and the high fraction of coherent photons also in the hard X-ray range an extremely intense and sharply focused X-ray light will be provided. This advantages of the beam fulfil excellently the qualifications for absorption, phase contrast or holo tomography, for nano tomography and for high speed or in situ tomography. The first user operation of the facility is planned in 2009.

The Imaging Beamline will be structured into two experimental stations for micro and for nano tomography. The X-ray energy will be tunable between 5 and 50 keV. In the micro tomography hutch the investigation of samples of some millimeters diameter in (sub)-micrometer resolution is planned. Here, fields of application encompass questions from materials science (e.g. analysis of pores, cracks, precipitations, phase transitions) as well as problems in the area of biology or medicine (e.g. structures of bones, tissues, teeth, plants).

The possibility to focus the X-ray beam into the nanometer range will be used for nano tomographic imaging. Therefore, a second hutch for two nano tomography setups is planned. For this setups spatial resolutions down below 100 nm are expected for micrometer sized samples.

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