Dual-Cathode CsI Covered Microstrip Plate as VUV High Efficiency Photosensor

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A Gas Proportional Scintillation Counter based on a dual-cathode Microstrip Plate covered with a CsI film is described. This new dual-cathode technique has the advantage of increasing the VUV sensitive area of the Microstrip Plate. A detailed description of the technique is presented together with a discussion of the performance. The results obtained for a xenon filled Gas Proportional Scintillation Counter show an improvement of the energy resolution for 5.9 keV X-rays from 12.7%, for a single cathode device, to 11.1% for the dual-cathode device.
Original languageEnglish
Pages (from-to)2662-2665
Number of pages4
JournalIEEE Transactions on Nuclear Science
Issue number5
Publication statusPublished - Oct 2008
Externally publishedYes


  • Gaseous radiation detectors
  • Microstrip detectors
  • Photocathodes
  • Scintillation detectors
  • X-ray spectroscopy detectors


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