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    • 7. 发明申请
    • AUTOMATIC GAIN STABILIZATION AND TEMPERATURE COMPENSATION FOR ORGANIC AND/OR PLASTIC SCINTILLATION DEVICES
    • 有机和/或塑料扫描装置的自动增益稳定和温度补偿
    • WO2011100240A3
    • 2012-02-02
    • PCT/US2011024040
    • 2011-02-08
    • GRIESHABER VEGA KGCAHILL BONAVENTURE
    • CAHILL BONAVENTURE
    • G01T1/40G01T1/202
    • G01T1/202G01T1/2008G01T1/40
    • A detector and associated method are provided including a first scintillation material 40 having a light yield temperature dependence and an output at a first energy level, a second scintillation material 42 having a light yield temperature dependence similar to the first material and an output at a second energy level, and detection circuitry 72, 76, 78, 82, 84, 100, 102. The first and second outputs are responsive to radiation emitted from an ionizing radiation source 68. The detection circuitry includes a photo multiplier tube 72 configured to convert photon outputs from the first and second scintillating materials 40, 42 to electrical pulses, a counter circuit configured to count the electrical pulses generated in the photo multiplier tube 72 by the first and second materials, and a gain control circuit 102 configured to monitor the electrical pulses generated in the photomultiplier tube 72 by the second material 42 and adjust a gain of the detector upon detecting a drift in the output of the second material 42.
    • 提供一种检测器和相关联的方法,其包括具有光屈服温度依赖性的第一闪烁材料40和在第一能级的输出,具有类似于第一材料的光屈服温度依赖性的第二闪烁材料42和第二闪烁材料的输出 能级和检测电路72,76,78,82,84,100,102。第一和第二输出响应于从电离辐射源68发射的辐射。检测电路包括被配置成转换光子的光电倍增管72 从第一和第二闪烁材料40,42输出到电脉冲,配置成对由第一和第二材料在光电倍增管72中产生的电脉冲进行计数的计数器电路;以及增益控制电路102,被配置为监视电脉冲 通过第二材料42在光电倍增管72中产生,并且在检测到ou中的漂移时调节检测器的增益 第二材料的输入42。