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

*この研究の対応する著者

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月 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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