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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >TFAS (a tophat for all species): design and computer optimization of a new electrostatic analyzer
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TFAS (a tophat for all species): design and computer optimization of a new electrostatic analyzer

机译：TFAS（所有物种的礼帽）：新型静电分析仪的设计和计算机优化

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摘要

TFAS (tophat for all species) is discussed. It is a 360 degrees field-of-view electrostatic analyzer that can process particles of either charge simultaneously. The TFAS analyzer resembles two tophat analyzers placed hat to hat, but with the tophat plates removed and the tophat region shared in common by both analyzers. In the tophat region, deflection is by parallel plates, one with potential +V and the other with potential -V. A collimator allows particles to enter this parallel plate region and the particles are then deflected into the spherical deflection region of the analyzer. The TFAS has characteristics comparable to the spherical tophat analyzer. A mathematical analysis is presented showing the optimal dimensions selection for the TFAS analyzer, given a particular tophat angle. Raytracing simulations have been performed. Design curves showing various analyzer characteristics as a function of tophat angle are presented. The design curves are compared to similar curves already in the literature for the spherical tophat analyzer. Differences between the TFAS analyzer and the spherical tophat analyzer are summarized.
机译：讨论了TFAS（所有物种的大礼帽）。这是一种360度视野静电分析仪，可以同时处理任一电荷的粒子。 TFAS分析仪类似于两个戴着帽子的高帽分析仪，但是去掉了高帽板，并且两个分析仪共享高帽区域。在高帽区域中，偏转是通过平行平板进行的，其中一个平板的电位为+ V，另一个平板的电位为-V。准直仪允许颗粒进入该平行板区域，然后将颗粒偏转到分析仪的球形偏转区域中。 TFAS具有可与球形高帽分析仪媲美的特性。给出了数学分析，给出了给定特定礼帽角度的TFAS分析仪的最佳尺寸选择。已经执行了光线追踪模拟。给出了显示各种分析仪特性与高帽角函数的设计曲线。将设计曲线与球形高帽分析仪中已有的类似曲线进行比较。总结了TFAS分析仪和球形高帽分析仪之间的差异。

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