A linear mode avalanche photodiode for ion detection in the energy range 5-250 keV

K. Ogasawara, F. Allegrini, M. I. Desai, S. Livi, D. J. McComas

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We investigated the response linearity and the energy resolution of a silicon based reach-through avalanche photodiode (APD) for low energy ions ranging from 5 keV to 250 keV. We found that space charge affects the APD gain, and that this could be compensated by applying a simple correction formula to the measured pulse height distributions. The comparison between former theoretical or experimental studies and our results showed that there was no evidence of additional performance degradation within the tested energy range in terms of the linearity and the energy resolution compared to conventional non-avalanching silicon detectors. Thanks to the low noise level (equivalent to 0.9 keV in silicon) at the room temperature even for a large detection area (15 mm$2$), APDs would be potentially used for detection of low-energy ions in various environments such as space plasma physics, particle physics, and many industrial applications.

Original languageEnglish (US)
Article number6291768
Pages (from-to)2601-2607
Number of pages7
JournalIEEE Transactions on Nuclear Science
Volume59
Issue number5 PART 3
DOIs
StatePublished - Sep 7 2012
Externally publishedYes

All Science Journal Classification (ASJC) codes

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

Keywords

  • Avalanche photodiodes
  • solid-state detectors
  • space instrumentation

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