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

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)412-418
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume512
Issue number1-2
DOIs
Publication statusPublished - 2003 Oct 11

Fingerprint

Space applications
Diodes
diodes
Detectors
Proton beams
Astronomy
detectors
vacuum tests
Rockets
Full width at half maximum
Gamma rays
gamma ray astronomy
aerospace sciences
Vacuum
Schottky diodes
rockets
proton beams
Radiation
X rays
Electrodes

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

Large-area CdTe diode detector for space application. / Nakazawa, K.; Takahashi, T.; Watanabe, S.; Sato, G.; Kouda, M.; Okada, Y.; Mitani, T.; Kobayashi, Y.; Kuroda, Y.; Onishi, M.; Ohno, R.; Kitajima, H.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 512, No. 1-2, 11.10.2003, p. 412-418.

Research output: Contribution to journalArticle

Nakazawa, K, Takahashi, T, Watanabe, S, Sato, G, Kouda, M, Okada, Y, Mitani, T, Kobayashi, Y, Kuroda, Y, Onishi, M, Ohno, R & Kitajima, H 2003, 'Large-area CdTe diode detector for space application', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 512, no. 1-2, pp. 412-418. https://doi.org/10.1016/S0168-9002(03)01920-X
Nakazawa, K. ; Takahashi, T. ; Watanabe, S. ; Sato, G. ; Kouda, M. ; Okada, Y. ; Mitani, T. ; Kobayashi, Y. ; Kuroda, Y. ; Onishi, M. ; Ohno, R. ; Kitajima, H. / Large-area CdTe diode detector for space application. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2003 ; Vol. 512, No. 1-2. pp. 412-418.
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AU - Mitani, T.

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