Large-area CdTe diode detector for space application

Details Large-area CdTe diode detector for space application Large-area CdTe diode detector for space application

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003nimpa.512..412n&link_type=abstract

Nuclear Instruments and Methods in Physics Research Section A, Volume 512, Issue 1-2, p. 412-418.

Physics

8

Scientific paper

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 21.5×21.5mm2 and a thickness of 0.5mm was developed. A good energy resolution, 2.8keV (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.

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