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We have developed a signal multiplexing method for a SiPM-based time-of-flight (TOF) positron emission tomography (PET). In the method, multiple SiPM signals are connected to a single strip-line, and the position of hit SiPM is decoded from the arrival time difference measured at the two ends of a strip-line. Since the position resolution on strip-line is directly proportional to the accuracy of the...
Nowadays, time-of-flight (TOF) PET detectors and systems are becoming increasingly common since scintillators, photodetectors and electronics has made significant progress. It has been well recognized that TOF PET imaging can increase the image signal-to-noise ratio (SNR) and yield other benefits; and the degree of these enhancements is higher as the timing resolution improves. Previously we have...
Higher count rate detectors are needed for high sensitivity positron emission tomography (PET) scanners. However, the maximum count rate of the detectors is limited due to the large pileup quantity in the high count rate situation, in which pileups are rejected conventionally. In this paper, we investigate the development of a method for digitally sampling scintillation pulses for PET. We focus on...
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