Comparison of three types of XPAD3.2/CdTe single chip hybrids for hard X-ray applications in material science and biomedical imaging

  • Buton C
  • Dawiec A
  • Graber-Bolis J
 et al. 
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Abstract

The CHiPSpeCT consortium aims at building a large multi-modules CdTe based photon counting detector for hard X-ray applications. For this purpose, we tested nine XPAD3.2 single chip hybrids in various configurations (i.e. Ohmic vs. Schottky contacts or electrons vs. holes collection mode) in order to select the most performing and best suited configuration for our experimental requirements. Measurements have been done using both X-ray synchrotron beams and241Am source. Preliminary results on the image quality, calibration, stability, homogeneity and linearity of the different types of detectors are presented. © 2014 Elsevier B.V.

Author-supplied keywords

  • Hybrid pixel detectors
  • Photon counting detectors
  • X-ray detectors

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