Experimental Evaluation of Material Identification Methods With CdTe X-ray Spectrometric Detector

This paper aims to experimentally evaluate a new material multidimensional method for material identification using a new CdTe spectrometric detector. LETI has developed a 16-channel fast read-out system capable of taking spectrometric measurements at count rates of more than 10 7 counts/s. This rea...

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Published in:IEEE transactions on nuclear science 2011-10, Vol.58 (5), p.2371-2377
Main Authors: Rinkel, J., Beldjoudi, G., Rebuffel, V., Boudou, C., Ouvrier-Buffet, P., Gonon, G., Verger, L., Brambilla, A.
Format: Article
Language:English
Subjects:
Arrays
Attenuation
Cadmium tellurides
Counting
Detectors
Energy resolution
Explosives
Linear arrays
Materials
Multidimensional methods
multidimensional signal processing
Photonics
Radiation detectors
Robustness
security
Spectra
spectrometry
Spectroscopy
Studies
x-ray detectors
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cited_by cdi_FETCH-LOGICAL-c322t-5aaec782a0a6db1d53e6a2bb0d13e74835bcb987bb09d3a24a597423408e9d263
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container_end_page 2377
container_issue 5
container_start_page 2371
container_title IEEE transactions on nuclear science
container_volume 58
creator Rinkel, J.
Beldjoudi, G.
Rebuffel, V.
Boudou, C.
Ouvrier-Buffet, P.
Gonon, G.
Verger, L.
Brambilla, A.
description This paper aims to experimentally evaluate a new material multidimensional method for material identification using a new CdTe spectrometric detector. LETI has developed a 16-channel fast read-out system capable of taking spectrometric measurements at count rates of more than 10 7 counts/s. This read-out system was coupled to CdTe linear array pixel detectors. A multidimensional analysis of the measured spectra has been conducted to perform material identification. The results show a decrease in false detection rate by a factor of up to 2 compared to an optimized dual counting approach applied on the same spectrometric raw data. Compared to a sandwich detector, the false detection rate decreases by a factor of more than 3 for thin objects. As a rule, the paper quantitatively demonstrates the continuous increase in performance and robustness with the number of detector energy counters.
doi_str_mv 10.1109/TNS.2011.2164266
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LETI has developed a 16-channel fast read-out system capable of taking spectrometric measurements at count rates of more than 10 7 counts/s. This read-out system was coupled to CdTe linear array pixel detectors. A multidimensional analysis of the measured spectra has been conducted to perform material identification. The results show a decrease in false detection rate by a factor of up to 2 compared to an optimized dual counting approach applied on the same spectrometric raw data. Compared to a sandwich detector, the false detection rate decreases by a factor of more than 3 for thin objects. 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subjects Arrays
Attenuation
Cadmium tellurides
Counting
Detectors
Energy resolution
Explosives
Linear arrays
Materials
Multidimensional methods
multidimensional signal processing
Photonics
Radiation detectors
Robustness
security
Spectra
spectrometry
Spectroscopy
Studies
x-ray detectors
title Experimental Evaluation of Material Identification Methods With CdTe X-ray Spectrometric Detector
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