Using pulse shape analysis to improve the position resolution of a resistive anode microchannel plate detector

Davinder Siwal; B. B. Wiggins; R. T. deSouza

doi:10.1016/j.nima.2015.09.056

Using pulse shape analysis to improve the position resolution of a resistive anode microchannel plate detector

Instrumentation and Detectors 2015-12-09 v1

Authors: Davinder Siwal , B. B. Wiggins , R. T. deSouza

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Abstract

Digital signal processing techniques were employed to investigate the joint use of charge division and risetime analyses for the resistive anode (RA) coupled to a microchannel plate detector (MCP). In contrast to the typical approach of using the relative charge at each corner of the RA, this joint approach results in a significantly improved position resolution. A conventional charge division analysis utilizing analog signal processing provides a position measured resolution of 170 $\mu$ m (FWHM). By using the correlation between risetime and position we were able to obtain a measured resolution of 92 $\mu$ m (FWHM), corresponding to an intrinsic resolution of 64 $\mu$ m (FMHM) for a single Z-stack MCP detector.

Keywords

pulse shape analysis position resolution resistive anode microchannel plate detector charge division risetime analysis digital signal processing FWHM

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@article{arxiv.1509.02837,
  title  = {Using pulse shape analysis to improve the position resolution of a resistive anode microchannel plate detector},
  author = {Davinder Siwal and B. B. Wiggins and R. T. deSouza},
  journal= {arXiv preprint arXiv:1509.02837},
  year   = {2015}
}

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6 pages, 5 figures

Using pulse shape analysis to improve the position resolution of a resistive anode microchannel plate detector

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