Positron Emission Tomography: Instrumentation Perspectives

T. F. Budinger; S. E. Derenzo; R. H. Huesman; J. L. Cahoon

doi:10.1117/12.934488

1 November 1982 Positron Emission Tomography: Instrumentation Perspectives

T. F. Budinger, S. E. Derenzo, R. H. Huesman, J. L. Cahoon

Proceedings Volume 0372, Physics and Engineering in Medical Imaging; (1982) https://doi.org/10.1117/12.934488
Event: International Workshop on Physics and Engineering in Medical Imaging, 1982, Pacific Grove, United States

Abstract

Current trends in positron tomography are toward instrumentation which will provide resolution finer than 7 mm FWHM and a sensitivity of 75,000 events per second, per transverse section, for 1 pCi per cm3 of activity in a 20 cm³ diameter phantom. Multiple stationary layers of tightly packed crystals with widths of 6 mm or less in circular arrays can provide adequate sampling for thorax or head PET devices. The major instrumentation problem is to achieve efficient optical coupling between crystals and photo detectors without a sacrifice of sensitivity. Sampling and coupling schemes, an analysis of the time-of-flight gains and aspects of data acquisition and display are presented.

Citation Download Citation

T. F. Budinger, S. E. Derenzo, R. H. Huesman, and J. L. Cahoon "Positron Emission Tomography: Instrumentation Perspectives", Proc. SPIE 0372, Physics and Engineering in Medical Imaging, (1 November 1982); https://doi.org/10.1117/12.934488

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