Title :
Validity and limitations of the three plane Compton imaging techniques via simulations
Author :
Rawool- Sullivan, M.W. ; Sullivan, John P. ; Koster, J.E. ; Rooney, Brian D.
Author_Institution :
Los Alamos Nat. Lab., NM, USA
Abstract :
Gamma imaging based on Compton scattering was first proposed approximately 25 years ago as a replacement for mechanically collimated imaging systems. The advantages of such instruments over mechanically collimated systems are a wider field of view, higher efficiency (more source photons are used in the image construction), source localization, use in high-background environments, and non-tomographic three-dimensional imaging of near-field sources. One can also image multi-energy photons by selecting events based on the summed energy deposited in multiple detectors. The traditional example of such imaging systems is a Compton camera. Until recently, limitations with associated hardware have resulted in Compton imaging seeing few applications. However, with advances in high spatial resolution detectors, and further developments in the physical principles there has been a renewed interest in gamma imaging based on Compton scattering in many areas including astronomy and nuclear medicine. In this paper we present an evaluation of a three plane Compton imaging concepts, the three plane Compton imaging technique. Such a technique, if valid, could lead to many useful applications.
Keywords :
Compton effect; gamma-ray detection; Compton scattering; gamma imaging; mechanically collimated systems; plane Compton imaging; three plane Compton imaging technique; Cameras; Detectors; Electromagnetic scattering; Event detection; Hardware; High-resolution imaging; Instruments; Optical collimators; Optical imaging; Particle scattering;
Conference_Titel :
Nuclear Science Symposium Conference Record, 2001 IEEE
Print_ISBN :
0-7803-7324-3
DOI :
10.1109/NSSMIC.2001.1008483