Resolving power enhancement of a discrete detector (array) by single event detection

M. P. Sinha, D. P. Langstaff, D. J. Narayan, K. Birkinshaw*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (SciVal)


Experiments have been performed to demonstrate the high resolving power of a discrete detector array that can be achieved by measuring and processing single ion events (speckle mode). Measurement of the spectrum of Kr+ using a miniature mass spectrometer developed at the jet propulsion laboratory equipped with a focal plane detector developed at Aberystwyth show a large resolving power enhancement in the speckle mode and good agreement with tabulated peak centroids and isotope abundances. The mode of operation of the instrument is under software control and is instantly variable. This clearly demonstrates the versatility and high performance of the miniaturised system. (Int J Mass Spectrom 176 (1998) 99-102)

Original languageEnglish
Pages (from-to)99-102
Number of pages4
JournalInternational Journal of Mass Spectrometry
Issue number1-2
Publication statusPublished - Jun 1998


  • Array
  • Detector
  • Mass spectrometry
  • Resolution


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