Nucl Med Mol Imaging.
2008 Apr;42(2):88-97.
Gamma-ray Detectors for Nuclear Medical Imaging Instruments
- Affiliations
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- 1Department of Nuclear and Quantum Engineering, KAIST, Daejeon, Korea. gscho@kaist.ac.kr
Abstract
- In this review paper, basic configurations of gamma detectors in SPECT and PET systems were reviewed together with key performance parameters of the imaging system, such as the detection efficiency, the spatial resolution, the contrast resolution, and the data acquisition time for quick understanding of the system-component relationship and future design of advanced systems. Also key elements of SPECT and PET detectors, such as collimators, gamma detectors were discussed in conjunction with their current and future trend. Especially development trend of new scintillation crystals, innovative silicon-based photo-sensors and futuristic room- temperature semiconductor detectors were reviewed for researchers who are interested in the development of future nuclear medical imaging instruments.
Keyword
- SPECT; PET; collimator; scintillator; PM tube; APD; Si PM; CZT
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