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Experiments on high flux and high brilliance third generation synchrotron X-ray sources and on low dose photon counting cone beam micro-CT imaging require detectors with large surface, high count rates, large counter dynamics, adjustable energy threshold and last but not least fast readout system. The XPAD3 X-ray photon counting imager is a large-surface (12 × 7.5 cm2) hybrid pixel detector with fast...
Current medical imaging technology for computed tomography (CT) and radiographic applications are based on either indirect or direct integrating X-ray detectors. The resulting image contrast is based on the differences between the X-ray absorption properties of the object being imaged. Contrast in biomedical samples that contain soft tissues can be poor due to similar densities and elemental composition...
We have developed an automated system for the characterization and testing of CdZnTe/CdTe pixel detectors for X-ray and gamma-ray imaging. A set of custom made pogo-pin arrays and corresponding detector holders have been designed for a precise, non-damaging loading and unloading of detectors to a "measurement habitat" within the system. The architecture of the system is flexible, allowing...
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