Development of CdTe pixel detector for synchrotron radiation experiments

T. Hirono, H. Toyokawa, Y. Furukawa, M. Kawase, T. Ohata, S. Wu, H. Ikeda, G. Sato, T. Takahashi, S. Watanabe

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


This study describes the development of a CdTe pixel detector for high-energy X-ray diffraction experiments at synchrotron radiation facilities. We have developed three prototypes. The third prototype detector (SP8-02B) was designed with a pixel size of 200μm×200μm and a matrix of 20×50 pixels. The sensor was bonded to an application-specific integrated circuit with a preamplifier, shaper, window-type discriminator, and a 20-bit counter for each pixel. The SP8-02B detector improved the uniformity between pixels in one chip in comparison with the previous prototypes. The long-term stability was measured at various temperatures. A moderate cooling achieved good stability that was not affected by the polarization effect.

Original languageEnglish
Pages (from-to)64-67
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication statusPublished - 2013


  • CdTe
  • Photon counting
  • Pixel detector
  • Readout ASIC
  • X-ray imaging

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics


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