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Technique for obtaining sub-pixel spatial resolution and corrected energy determinsation from room temperature solid state gamma and x-ray detectors with segmented readout
Technique for obtaining sub-pixel spatial resolution and corrected energy determinsation from room temperature solid state gamma and x-ray detectors with segmented readout
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机译：从具有分段读出的室温固态伽马和X射线探测器获得亚像素空间分辨率和校正后的能量确定的技术
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摘要
A method and apparatus for obtaining the planar location with sub-pixel resolution and corrected energy of a gamma or X-ray photon interacting with a room temperature solid state detector of given thickness. The detector comprises two electrodes of negative and positive polarities. One of the electrodes is common, and the other is segmented being formed with segmented readout elements. Each of the readout elements defines a pixel size. Depending on that the negative or positive electrode is segmented, respectively, negative-induces charge signals are induced on the readout elements or both a positive-induced charge signal is induced on a central readout element and negative-induced charge signals are induced on adjacent readout elements. Accordingly, respective induced-charge signals are simultaneously measured and statistically correlated on the respective readout elements with detector response templates so as to obtain a best fit template, thereby determining the photon's energy, location and depth of interaction.
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