2-dimensional detector decoding study on BGO arrays with quadrant sharing photomultipliers

Wai Hoi Wong, Jorge Uribe, Keri Hicks, Massimo Zambelli

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

2 Scopus citations

Abstract

This is a theoretical and experimental study of the positron camera detector design using quadrant sharing of phototubes and optically cross-coupled BGO scintillation crystals. This study computes statistically the maximum number of BGO crystals which can be coupled to a photomultiplier with this design based on the number of photoelectrons generated and the optical efficiency of the crystal-phototube combination. Statistically, a 10×10 BGO array can be coupled to a single square phototube and be clearly decoded. The optimal light distribution to the decoding phototubes to achieve the highest decoding density is found and then used to guide the development of an experimental detector module. Experimentally, this study demonstrates that 8×8 arrays of 3.2×3.2 mm BGO crystals can be coupled to large, less expensive 26×26mm square-single-phototubes and be fully delineated. The reconstructed image resolution with this less expensive detector implementation is estimated to be 3.0mm transaxially and 2.4mm axially.

Original languageEnglish (US)
Title of host publicationIEEE Nuclear Science Symposium & Medical Imaging Conference
PublisherPubl by IEEE
Pages1088-1091
Number of pages4
Editionpt 2
ISBN (Print)0780314875
StatePublished - 1994
EventProceedings of the 1993 IEEE Nuclear Science Symposium & Medical Imaging Conference - San Francisco, CA, USA
Duration: Oct 30 1993Nov 6 1993

Publication series

NameIEEE Nuclear Science Symposium & Medical Imaging Conference
Numberpt 2

Other

OtherProceedings of the 1993 IEEE Nuclear Science Symposium & Medical Imaging Conference
CitySan Francisco, CA, USA
Period10/30/9311/6/93

ASJC Scopus subject areas

  • Radiation
  • Nuclear and High Energy Physics
  • Radiology Nuclear Medicine and imaging

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