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Construction and test of an X-ray CT setup for material resolved 3D imaging with Medipix based detectors

Journal of Instrumentation, ISSN: 1748-0221, Vol: 7, Issue: 10, Page: C10007-C10007
2012
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Conference Paper Description

A prototype computerized tomography (CT) setup has been recently built at Nikhef in order to exploit the material resolved capabilities of Medipix based detectors in X-ray imaging. The CT scanner contains a Hamamatsu 90 kVp microfocus X-ray tube and an entirely remotely controllable sample alignment system. The complete setup is fully integrated with the detector operation software. Moreover the 120 frames/s RelaxD readout system [1] allows real time X-ray imaging of fast moving samples. In this work, the description of the setup is given and the first results obtained with Medipix2 [2] and Timepix [3] detectors are presented. They concern detector calibration with fluorescence lines, CT reconstruction of small biological and non-biological samples and material resolved 3D micro-imaging [4]. © 2012 IOP Publishing Ltd and Sissa Medialab srl.

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