The detection of minimum ionising particles with scintillating fibres using multi-pixel hybrid photodiodes

C. P. Datema, L. J. Meng, D. Ramsden

Research output: Contribution to journalArticlepeer-review

Abstract

Recent measurements of the performance of the newly available multi-pixel Hybrid Photodiode (M-HPD) have demonstrated their particular value in the detection of very low light-level signals in the visible region. The single and multiple photo-electron response characteristics of these devices is unmatched by any other room-temperature device. This characteristic, coupled with their speed of response and the availability of an internally-generated trigger signal when one or more of the pixels detect an event, makes them particularly interesting as possible photo-detectors for fast plastic scintillators and, in particular, as detectors for reading out scintillating fibres. The results of tests made when Minimum Ionising Particles (MIPs) pass through single and multi-clad plastic scintillating fibres have confirmed the usefulness of these devices in particle-tracking applications. The technique used to read-out 61 channels of data is described along with a way to view as many as 2000 fibres with just two 61-pixel MHPDs. Finally, an outline concept for a new high energy gamma-ray telescope is described. This could use multiple planes of scintillation fibres read-out by M-HPDs.

Original languageEnglish (US)
Pages (from-to)338-342
Number of pages5
JournalIEEE Transactions on Nuclear Science
Volume45
Issue number3 PART 1
DOIs
StatePublished - 1998
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering

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