Spatial resolution of the Medipix2 X-ray imaging detector system

Davidson, D.W. and Tlustos, L and Mathieson, K and O'Shea, V and Smith, K.M. and Rahman, M; Metzler, S.D., ed. (2004) Spatial resolution of the Medipix2 X-ray imaging detector system. In: 2003 IEEE Nuclear Science Symposium Conference Record. IEEE NUCLEAR SCIENCE SYMPOSIUM - CONFERENCE RECORD, 3 . IEEE, pp. 2727-2729. ISBN 0-7803-8257-9 (https://doi.org/10.1109/NSSMIC.2003.1352450)

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Abstract

The charge sharing present in a 55 micrometer square pixel matrix of 300 micrometer thick silicon is examined. This is achieved using a commercial simulation package to investigate the diffusion effects on the charge cloud of created electrons and holes. The total fraction of charge shared is found to be 20.8%, but this can be reduced by the addition of a minimum threshold level of detection. The optimum level giving all of the signal but with the minimum of noise is found to leave 10.4% charge shared on average.

ORCID iDs

Davidson, D.W., Tlustos, L, Mathieson, K ORCID logoORCID: https://orcid.org/0000-0002-9517-8076, O'Shea, V, Smith, K.M. and Rahman, M; Metzler, S.D.
  • Item type:Book Section
    ID code:37562
    Dates:
    Date
    Event
    October 2004
    Published
    Notes:IEEE Nuclear Science Symposium/Medical Imaging Conference, Portland, OR, OCT 19-25, 2003
    Subjects:Science > Physics
    Department:Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:09 Feb 2012 18:49
    Last modified:11 Nov 2024 14:47
    URI:https://strathprints.strath.ac.uk/id/eprint/37562
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