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Proceedings Paper

Optimization of virtual Frisch-grid CdZnTe detector designs for imaging and spectroscopy of gamma rays
Author(s): A. E. Bolotnikov; N M. Abdul-Jabbar; S. Babalola; G. S. Camarda; Y. Cui; A. Hossain; E. Jackson; H. Jackson; J. R. James; A L. Luryi; R. B. James
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Paper Abstract

In the past, various virtual Frisch-grid designs have been proposed for cadmium zinc telluride (CZT) and other compound semiconductor detectors. These include three-terminal, semi-spherical, CAPture, Frisch-ring, capacitive Frisch-grid and pixel devices (along with their modifications). Among them, the Frisch-grid design employing a non-contacting ring extended over the entire side surfaces of parallelepiped-shaped CZT crystals is the most promising. The defect-free parallelepiped-shaped crystals with typical dimensions of 5x5x12 mm3 are easy to produce and can be arranged into large arrays used for imaging and gamma-ray spectroscopy. In this paper, we report on further advances of the virtual Frisch-grid detector design for the parallelepiped-shaped CZT crystals. Both the experimental testing and modelling results are described.

Paper Details

Date Published: 21 September 2007
PDF: 14 pages
Proc. SPIE 6706, Hard X-Ray and Gamma-Ray Detector Physics IX, 670603 (21 September 2007); doi: 10.1117/12.736654
Show Author Affiliations
A. E. Bolotnikov, Brookhaven National Lab. (United States)
N M. Abdul-Jabbar, Univ. of Michigan (United States)
S. Babalola, Vanderbilt Univ. (United States)
G. S. Camarda, Brookhaven National Lab. (United States)
Y. Cui, Brookhaven National Lab. (United States)
A. Hossain, Brookhaven National Lab. (United States)
E. Jackson, Vanderbilt Univ. (United States)
H. Jackson, Vanderbilt Univ. (United States)
J. R. James, Tennessee Technological Univ. (United States)
A L. Luryi, Cornell Univ. (United States)
R. B. James, Brookhaven National Lab. (United States)


Published in SPIE Proceedings Vol. 6706:
Hard X-Ray and Gamma-Ray Detector Physics IX
Ralph B. James; Arnold Burger; Larry A. Franks, Editor(s)

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