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A high rate gaseous area detector for X-ray diffraction applications

  • D. M. Khazins
  • , B. L. Backer
  • , B. B. He
  • , Y. Diawara
  • , R. D. Durst
  • , S. A. Medved
  • , V. Sedov
  • , T. A. Thorson

Research output: Contribution to journalConference articlepeer-review

Abstract

A new photon-counting area detector based on parallel-plate gas amplification with a resistive anode and remote readout electrode is described. The detector is sealed and has a sensitive area of 14×14 cm2. The detector is unique in its ability to achieve high gain at high counting rates. A local counting rate >105 counts/mm2-sec has been achieved at a gain of up to 105 in a radiation-hard, non-polymerizing gas mixture. The global readout rate is limited by the delay line and electronics to <106 counts/sec but more sophisticated readout schemes should allow this rate to be increased by more than an order of magnitude. The operating characteristics of the detector are described and preliminary x-ray diffraction data is presented.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5194
DOIs
StatePublished - 2004
Externally publishedYes
EventFourth-Generation X-Ray Sources and Ultrafast X-Ray Detectors - San Diego, CA, United States
Duration: Aug 4 2003Aug 6 2003

Keywords

  • Photon counting
  • Sealed gaseous detector
  • X-ray detector
  • X-ray diffraction

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