4π field of view active collimation imager

Taewoong Lee, Wonho Lee

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

Abstract

Mechanical collimation commonly uses the photoelectric effect to reconstruct the radiation images. Electronic collimation (i.e., Compton camera) using Compton scattering has been developed to reconstruct radiation images without utilizing mechanical collimators. In general, these kinds of instrument for radiation imaging are used individually, or in order to increase the quality of imaging and radiation detection efficiency, the combination method of each imaging from individual instrument is chosen. In this work, however, we developed the active collimation method including 4π field of view (FOV), which is a new collimation technique using two collimation methods simultaneously without additional detection modules. The 4π FOV active collimation detector consisted of a bismuth germanate (BGO) scintillator detector, a mechanical collimator and five detectors composed of CsI(Na) scintillator. The whole detection module formed a cubic pattern to detect radiation from all incident directions. Therefore, the radiation detection efficiency of the developed device was approximately 7∼8-fold higher than that of the previously developed system.

Original languageEnglish
Title of host publication2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
Pages409-411
Number of pages3
DOIs
Publication statusPublished - 2012
Event2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 - Anaheim, CA, United States
Duration: 2012 Oct 292012 Nov 3

Publication series

NameIEEE Nuclear Science Symposium Conference Record
ISSN (Print)1095-7863

Other

Other2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012
CountryUnited States
CityAnaheim, CA
Period12/10/2912/11/3

ASJC Scopus subject areas

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

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  • Cite this

    Lee, T., & Lee, W. (2012). 4π field of view active collimation imager. In 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, NSS/MIC 2012 (pp. 409-411). [6551135] (IEEE Nuclear Science Symposium Conference Record). https://doi.org/10.1109/NSSMIC.2012.6551135