Large-area CdTe diode detector for space application

K. Nakazawa, T. Takahashi, S. Watanabe, G. Sato, M. Kouda, Y. Okada, T. Mitani, Y. Kobayashi, Y. Kuroda, M. Onishi, R. Ohno, H. Kitajima

研究成果: Article査読

20 被引用数 (Scopus)

抄録

The current status of Schottky CdTe diode detectors, especially in view of their space application for hard X-ray and gamma-ray astronomy, are reported. For practical use in space science, a large-area CdTe diode with a size of 21.5 × 21.5 mm2 and a thickness of 0.5 mm was developed. A good energy resolution, 2.8 keV (FWHM) at -20°C, and high homogeneity to within 0.2% over the detector were achieved for the spectral performance. This device has successfully passed a series of tests required for its use in space, in view of utilizing Japanese M-V rockets. The tests include the mechanical environment test, vacuum test, long run for weeks and proton-beam radiation. Initial results from a 2 × 2 segmented electrode large-area device with a guard-ring are also presented.

本文言語English
ページ(範囲)412-418
ページ数7
ジャーナルNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
512
1-2
DOI
出版ステータスPublished - 2003 10 11

ASJC Scopus subject areas

  • 器械工学
  • 核物理学および高エネルギー物理学

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