滤波-荧光谱仪的优化设计
Optimized design of filter-fluorescer spectrometer
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摘要: 滤波-荧光法是一种重要的X射线诊断技术,对于温度为1.4×10~7-1.6×10~7 K的黑体辐射,设计了包含V-Ti,Co-Fe,Cu-Ni和Zn-Cu四个组合的滤波.荧光谱仪,信号测量通道增加了相应本底测量辅助通道.计算结果表明,采用与信号通道相同设置的辅助通道测量效果不佳,需要对辅助通道后滤片进行重新设置以确保对本底的正确测量.Abstract: The filter-fluorescer method is an important X-ray diagnostic technique. For 1.4 ×10~7-1.6 ×10~7 K blackbody radiation, a four channel spectrometer consisting of filter-fluorescer combinations of V-Ti, Co-Fe, Cu-Ni and Zn-Cu was designed, and the corresponding supplementary channels were supplied for each primary channel. The calculation results show that the measurement of supplementary channel which has the same configuration as that of primary is not accurate, the postfiltcrs of supplementary channels should be reconfigured to make an proper background measurement.
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