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 (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
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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.
| Item type: | Book Section |
|---|---|
| ID code: | 37562 |
| Notes: | IEEE Nuclear Science Symposium/Medical Imaging Conference, Portland, OR, OCT 19-25, 2003 |
| Keywords: | spatial resolution, imaging detector system, imaging detector, X-ray imaging, poisson equations, Physics |
| Subjects: | Science > Physics |
| Department: | Faculty of Science > Physics > Institute of Photonics |
| Depositing user: | Pure Administrator |
| Date deposited: | 09 Feb 2012 18:49 |
| Last modified: | 24 Sep 2017 00:43 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/37562 |
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