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SILICON PHOTOMULTIPLIER DETECTOR FOR COMPUTED TOMOGRAPHY
SILICON PHOTOMULTIPLIER DETECTOR FOR COMPUTED TOMOGRAPHY
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机译:用于计算机断层摄影的硅光电倍增管检测器
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摘要
An x-ray detector module including a silicon photomultiplier and a computed tomography imaging system including the same is provided. The x-ray detector module includes optically coupled scintillation materials and silicon photomultiplier pixels. The x-ray detector pixels may have a constant axial profile with a polygonal cross section, which may be rectangular. A plurality of the x-ray detector pixels are generally arranged into 2D arrays. Each x-ray detector pixel may be connected to a dedicated electronic readout channel. In operation, the scintillation materials interact with incident x-ray photons to generate visible-light photons. The silicon photomultiplier pixels generate electrical signals in accordance with the number of visible-light photons generated by an incident x-ray photon. The electronic readout channels process the electrical signals to determine characteristics of the incident x-ray photons. Information of a plurality of x-ray photons are compiled to generate computed tomography images.
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