A Study on Increasing the Useful Field of View of Gamma Camera through the Expansion of the Use of Photosensors

초록

A new gamma camera was designed to reduce edge effect that can occur in conventional gamma cameras and increase the useful field of view (UFOV). In order to reduce edge effect and increase UFOV, a new gamma camera was designed to collect light incident on the side of the scintillator by plaing an additional photosensor used in the conventional gamma camera to prevent the occurrence of edge effect. DETECT2000 was used to evaluate the useful field of view of the desinged gamma camera and the conventional gamma camera. As a result, the UFOV of the new gamma camera was improved by about 95.8 % compared to the UFOV of the conventional gamma camera. If the results of this study are used when designing a gamma camera, it is considered that edge effects can be prevented and an expanded UFOV can be achieved.

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