A comprehensive experimental characterization of the iPIX gamma imager

The results of more than 280 different experiments aimed at exploring the main features and performances of a newly developed gamma imager, called iPIX, are summarized in this paper. iPIX is designed to quickly localize radioactive sources while estimating the ambient dose equivalent rate at the mea...

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Bibliographic Details
Published in:Journal of instrumentation 2016-08, Vol.11 (8), p.P08012-P08012
Main Authors: Amgarou, K., Paradiso, V., Patoz, A., Bonnet, F., Handley, J., Couturier, P., Becker, F., Menaa, N.
Format: Article
Language:English
Subjects:
Angular resolution
Cameras
Dosage
Equivalence
Instrumentation
Masks
Sensitivity
Tungsten
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Summary:The results of more than 280 different experiments aimed at exploring the main features and performances of a newly developed gamma imager, called iPIX, are summarized in this paper. iPIX is designed to quickly localize radioactive sources while estimating the ambient dose equivalent rate at the measurement point. It integrates a 1 mm thick CdTe detector directly bump-bonded to a Timepix chip, a tungsten coded-aperture mask, and a mini RGB camera. It also represents a major technological breakthrough in terms of lightness, compactness, usability, response sensitivity, and angular resolution. As an example of its key strengths, an super(241)Am source with a dose rate of only few nSv/h can be localized in less than one minute.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/11/08/P08012