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Proceedings Paper

Coplanar grid CdZnTe detectors for space science applications
Author(s): Benjamin W. Sturm; Zhong He; Edgar A. Rhodes; Thomas H. Zurbuchen; Patrick L. Koehn
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Paper Abstract

The characteristics and performance for two of the latest coplanar grid CdZnTe detectors, which use the third-generation coplanar grid design, will be discussed. These detectors, with dimensions of 1.5x1.5x0.9 cm3 and 1.5x1.5x0.95 cm3, were fabricated by Baltic Scientific Instruments, Ltd., using crystals from Yinnel Tech, Inc. The high electron mobility-lifetime product measured for these crystals will lead to improved charge collection efficiency and better energy resolution. The spectroscopic performance obtained from the detectors, employing various methods such as depth sensing, radial sensing, and relative gain compensation, will be reported. Results from these measurements will give us insight into the material properties as well as the charge induction uniformity of the detector.

Paper Details

Date Published: 21 October 2004
PDF: 8 pages
Proc. SPIE 5540, Hard X-Ray and Gamma-Ray Detector Physics VI, (21 October 2004); doi: 10.1117/12.564260
Show Author Affiliations
Benjamin W. Sturm, Univ. of Michigan (United States)
Zhong He, Univ. of Michigan (United States)
Edgar A. Rhodes, Johns Hopkins Univ. (United States)
Thomas H. Zurbuchen, Univ. of Michigan (United States)
Patrick L. Koehn, Univ. of Michigan (United States)


Published in SPIE Proceedings Vol. 5540:
Hard X-Ray and Gamma-Ray Detector Physics VI
Arnold Burger; Ralph B. James; Larry A. Franks, Editor(s)

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