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Hand‐Held Gamma‐Ray Imaging Sensors Using Room‐Temperature 3‐Dimensional Position‐Sensitive Semiconductor Spectrometers
Authors
James Berry
Yanfeng Du
+5 more
Zhong He
Glenn F. Knoll
Carolyn Lehner
David K. Wehe
Feng Zhang
Publication date
10 October 2002
Publisher
'AIP Publishing'
Doi
Cite
Abstract
This paper demonstrates the capability of compact gamma‐ray imaging devices using 3‐dimensional position sensitive CdZnTe semiconductor gamma‐ray spectrometers, developed at the University of Michigan. A prototype imager was constructed and tested using two 1 cm cube 3‐dimensional position sensitive CdZnTe detectors. Energy resolutions of 1.5% FWHM for single pixel events at 662 keV gamma‐ray energy were obtained on both detectors, and an angular resolution of about 5° FWHM was demonstrated. The capabilities of proposed devices, which can cover a wider energy range up to 2.6 MeV, are discussed. © 2002 American Institute of PhysicsPeer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/87581/2/209_1.pd
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Last time updated on 25/05/2012