Initial characterization of a BGO-photodiode detector for high resolution positron emission tomography
Description:
Spatial resolution in positron emission tomography is currently limited by the resolution of the detectors. This work presents the initial characterization of a detector design using small bismuth germanate (BGO) crystals individually coupled to silicon photodiodes (SPDs) for crystal identification, and coupled in groups to phototubes (PMTs) for coincidence timing. A 3 mm x 3 mm x 3 mm BGO crystal coupled only to an SPD can achieve a 511 keV photopeak resolution of 8.7% FWHM at -150/sup 0/C, us…
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Date:
November 1, 1983
Creator:
Derenzo, S.E.
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UNT Libraries Government Documents Department