Design and Development of a Compact High-Resolution Detector for PET Insert in Small Animal Irradiator

Xinyi Cheng, Kun Hu, Dongxu Yang, Yiping Shao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

We report the development of a compact high-resolution detector for a positron emission tomography (PET) insert in small animal irradiator. The detector consists of 4 sub-detectors; each sub-detector consists of a 15×15 array of 1×1×20 mm3 LYSO scintillators with each array end coupled to an 8×8 array of 2×2 mm2 silicon photomultipliers for depth-of-interaction (DOI) measurement; all sides of scintillators were roughed with a 0.03 mm surface lapping for balanced detector performance. Based on row and column signal readout, only 64-ch electronics is required to process 512-ch output of each detector. A compact 96-ch electronics board was developed to measure the charge, timing, and position of each interaction and convert them into digital output pulses for further processing. The detector performance evaluation study shows an average ~26.3% energy resolution, ~3.2 ns coincidence timing resolution, and ~3.2 mm DOI resolution from all crystals. All scintillators are well identified. The maximum throughput of the detector is ~200 K events/s.

Original languageEnglish (US)
Title of host publication2020 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728176932
DOIs
StatePublished - 2020
Externally publishedYes
Event2020 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2020 - Boston, United States
Duration: Oct 31 2020Nov 7 2020

Publication series

Name2020 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2020

Conference

Conference2020 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2020
Country/TerritoryUnited States
CityBoston
Period10/31/2011/7/20

ASJC Scopus subject areas

  • Signal Processing
  • Radiology Nuclear Medicine and imaging
  • Nuclear and High Energy Physics

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