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首页> 外文会议>2013 IEEE Nuclear Science Symposium and Medical Imaging Conference >Interpolating Silicon Photo-Multiplier: A novel position sensitive device with submillimeter spatial resolution and depth of interaction capability
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Interpolating Silicon Photo-Multiplier: A novel position sensitive device with submillimeter spatial resolution and depth of interaction capability

机译：内插硅光电倍增管：一种新型的位置敏感设备，具有亚毫米级的空间分辨率和交互作用深度

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摘要

Silicon Photo Multiplier are becoming widely used, coupled with suited scintillating crystals, as gamma-ray detectors in high energy physics and medical imaging applications. We present a novel device topology, able to reach sub-millimeter spatial resolution with very few readout channels. The basic idea consists to connect each cell of a SiPM to one of the several readout channels. A cluster of photons, for example from a scintillator, illuminates the cells and the signal is shared between the readout channels, in such a way that the amplitudes include the spatial information. Two prototype generations have already been produced and they both have shown very good results in terms of spatial resolution: they are able to identify crystal arrays down to 0.8 × 0.8mm2 crystals, with only four readout channels. The measurements with the prototyped devices and future outlook are presented.
机译：硅光电倍增器正与合适的闪烁晶体一起被广泛使用，作为高能物理和医学成像应用中的伽马射线探测器。我们提出了一种新颖的设备拓扑，能够以很少的读出通道达到亚毫米的空间分辨率。基本思想是将SiPM的每个单元连接到几个读出通道之一。例如来自闪烁体的光子簇照亮细胞，并且信号在读出通道之间共享，使得振幅包括空间信息。已经生产出了两代原型，它们在空间分辨率方面都显示了非常好的结果：它们能够识别只有0.8个读数通道的最小0.8×0.8mm2晶体阵列。介绍了原型设备的测量结果和未来展望。

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