Abstract
Imaging detectors based on a microchannel plate (MCP) and charge division anode with charge induction have broad applications in particles (photons, neutrons, ions, and electrons) detection. However, the application of a charge induction readout mode is mostly focused on planar anodes, and there are few reports on double-layer cross-strip (XS) anodes with high spatial resolution and low gain requirements. In this paper, we design the parameters of the resistive layer and XS anode by theoretical derivation and the three-dimensional finite element method, including the sheet resistance, substrate thickness, strip width, and insulation thickness. The performance of the XS detector is characterized with the help of a resolution target and full field illumination using three different centroid algorithms. We conclude that the modified center of gravity (MCoG) has best imaging performance, which achieves a spatial resolution of 44.2 μm with a periodic distortion about 25.8%.
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