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Proceedings Paper

Pulse timing in edge-readout PET detectors
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Paper Abstract

We have proposed a novel edge-readout detector design for PET, which can easily provide sub-millimeter in-plane spatial resolution together with DOI information with resolution determined by the thickness of the crystal layers. Multiple factors that can potentially affect the coincidence resolving time (CRT) have been studied in this work. The result indicates there is a strong correlation between the coincidence resolving time and the parameters of a constant fraction discriminator (CFD), while the correlation between CRT and other factors such as inclusion of optical barriers, locations of gamma-ray interactions in the detector and light-coupling material’s refractive index (between crystal and SiPM’s silicon substrate) is weak. With optimum CFD parameters, a 200-ps CTR can be achieved.

Paper Details

Date Published: 27 September 2017
PDF: 8 pages
Proc. SPIE 10393, Radiation Detectors in Medicine, Industry, and National Security XVIII, 103930Q (27 September 2017); doi: 10.1117/12.2279228
Show Author Affiliations
Xin Li, College of Optical Sciences, The Univ. of Arizona (United States)
Ctr. for Gamma-Ray Imaging, The Univ. of Arizona (United States)
Maria Ruiz-Gonzalez, College of Optical Sciences, The Univ. of Arizona (United States)
Ctr. for Gamma-Ray Imaging, The Univ. of Arizona (United States)
Lars R. Furenlid, College of Optical Sciences, The Univ. of Arizona (United States)
Ctr. for Gamma-Ray Imaging, The Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 10393:
Radiation Detectors in Medicine, Industry, and National Security XVIII
Gary P. Grim; Lars R. Furenlid; H. Bradford Barber, Editor(s)

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