Si and CdTe pixel detector developments at SPring-8

H. Toyokawa, Y. Furukawa, T. Hirono, H. Ikeda, K. Kajiwara, M. Kawase, T. Ohata, G. Sato, M. Sato, T. Takahashi, H. Tanida, T. Uruga, S. Watanabe

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Single X-ray photon counting pixel detectors have become the most advanced detector technology in synchrotron radiation experiments recently. In particular, the PILATUS detector based on a silicon sensor has reached a very mature state and represents the world's largest detector in this field. This paper first reports on threshold energy calibrations and the capability of applying an energy-resolved X-ray imaging with PILATUS. Second the design of a cadmium telluride (CdTe) pixel detector is described. A high density and high-atomic number sensor material is required in high energy X-ray applications available at SPring-8. For this purpose we are developing a CdTe pixel detector with the SP8-01 readout ASIC covering a wide dynamic range between 10 and 100 keV and containing lower and upper discriminators.

Keywords

  • Photon counting
  • Pixel detector
  • Synchrotron radiation instrumentation
  • X-ray imaging

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

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