Development of CdZnTe pixel detectors for astrophysical applications

Details Development of CdZnTe pixel detectors for astrophysical applications Development of CdZnTe pixel detectors for astrophysical applications

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4141..137h&link_type=abstract

Proc. SPIE Vol. 4141, p. 137-143, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics II, Ralph B. James; Richard C. Schirato; E

Physics

2

Scientific paper

Over the last four years we have been developing imaging Cadmium Zinc Telluride pixel detectors optimized for astrophysical focusing hard X-ray telescopes. This application requires sensors with modest area (approximately 2 cm X 2 cm), relatively small (approximately less than 500 micrometer) pixels and sub-keV energy resolution. For experiments operating in satellite orbits, low energy thresholds of approximately 1 - 2 keV are also desirable. In this paper we describe the desired detector performance characteristics, and report on the status of our development effort. In particular, we present results from a prototype sensor with a custom low- noise VLSI readout designed to achieve excellent spectral resolution and good imaging performance in the 2 - 100 keV band

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