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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

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
Volume731
DOIs
Publication statusPublished - 2013

Keywords

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

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

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