DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector

To study the PET imaging performance of cross-strip cadmium zinc telluride detector with a size of 16.4 mm×16.4 mm×5 mm, which can determine the 3-D position information of 511 keV gamma photons. The 32 electrodes of the detector are all read out using charge sensitive preamplifiers and filter ampli...

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Main Author: LI Yingguo;CUI Zhencun;GUO Dian;LIU Meilou;WEN Jing;ZHANG Qinghua;PEI Changxu;HUANG Chuan;YIN Yongzhi;LI Gongping
Format: Article
Language:zho
Published: Editorial Board of Journal of Isotopes 2022-08-01
Series:Journal of Isotopes
Subjects:
Online Access:http://www.tws.org.cn/CN/10.7538/tws.2021.youxian.084
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author LI Yingguo;CUI Zhencun;GUO Dian;LIU Meilou;WEN Jing;ZHANG Qinghua;PEI Changxu;HUANG Chuan;YIN Yongzhi;LI Gongping
author_facet LI Yingguo;CUI Zhencun;GUO Dian;LIU Meilou;WEN Jing;ZHANG Qinghua;PEI Changxu;HUANG Chuan;YIN Yongzhi;LI Gongping
author_sort LI Yingguo;CUI Zhencun;GUO Dian;LIU Meilou;WEN Jing;ZHANG Qinghua;PEI Changxu;HUANG Chuan;YIN Yongzhi;LI Gongping
collection DOAJ
description To study the PET imaging performance of cross-strip cadmium zinc telluride detector with a size of 16.4 mm×16.4 mm×5 mm, which can determine the 3-D position information of 511 keV gamma photons. The 32 electrodes of the detector are all read out using charge sensitive preamplifiers and filter amplification modules, and then input high-speed analog-to-digital converters to sample the data, and obtain the full pulse shape of the signal in the detector, and use the ADC built-in FPGA to perform the online signal processing, digital processing such as peak finding and filtering. The energy resolution of the CZT detector for 511 keV gamma photons is 6.35%. According to the electrode structure of the CZT detector, 3-D position coordinate calculation formulas for the interaction of gamma photons can be obtained. The CZT detector realizes a 3-D imaging function with a sub-millimeter resolution.
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spelling doaj.art-3883b31f849744a7a6e8e16b88e1084b2022-12-22T02:52:55ZzhoEditorial Board of Journal of IsotopesJournal of Isotopes1000-75122022-08-01354242247DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride DetectorLI Yingguo;CUI Zhencun;GUO Dian;LIU Meilou;WEN Jing;ZHANG Qinghua;PEI Changxu;HUANG Chuan;YIN Yongzhi;LI Gongping0School of Nuclear Science and Technology, Lanzhou University;Department of Nuclear Medicine, Second Hospital of Lanzhou University,To study the PET imaging performance of cross-strip cadmium zinc telluride detector with a size of 16.4 mm×16.4 mm×5 mm, which can determine the 3-D position information of 511 keV gamma photons. The 32 electrodes of the detector are all read out using charge sensitive preamplifiers and filter amplification modules, and then input high-speed analog-to-digital converters to sample the data, and obtain the full pulse shape of the signal in the detector, and use the ADC built-in FPGA to perform the online signal processing, digital processing such as peak finding and filtering. The energy resolution of the CZT detector for 511 keV gamma photons is 6.35%. According to the electrode structure of the CZT detector, 3-D position coordinate calculation formulas for the interaction of gamma photons can be obtained. The CZT detector realizes a 3-D imaging function with a sub-millimeter resolution.http://www.tws.org.cn/CN/10.7538/tws.2021.youxian.084cross-strip czt detector3-d positionenergy resolutionpet imaging
spellingShingle LI Yingguo;CUI Zhencun;GUO Dian;LIU Meilou;WEN Jing;ZHANG Qinghua;PEI Changxu;HUANG Chuan;YIN Yongzhi;LI Gongping
DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector
Journal of Isotopes
cross-strip czt detector
3-d position
energy resolution
pet imaging
title DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector
title_full DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector
title_fullStr DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector
title_full_unstemmed DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector
title_short DOI-PET Imaging Investigation Based on 3-D Cross-Strip Cadmium Zinc Telluride Detector
title_sort doi pet imaging investigation based on 3 d cross strip cadmium zinc telluride detector
topic cross-strip czt detector
3-d position
energy resolution
pet imaging
url http://www.tws.org.cn/CN/10.7538/tws.2021.youxian.084
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