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Characterisation of spectral performance of pixellated X-ray imaging detectors in a microscopy setup
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Electronics design division, STC)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (STC)ORCID iD: 0000-0002-8325-5177
2009 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, E-ISSN 1872-9576, Vol. 607, no 1, 199-201 p.Article in journal (Refereed) Published
Abstract [en]

In order to achieve energy resolved X-ray imaging with small pixel resolution, physical processes in the detector material such as fluorescence and charge sharing must be considered. This paper presents characterisation measurements performed with an X-ray microscopy setup for energy resolved imaging. The microscopy setup consists of a nanofocus X-ray source capable of 160 kV anode voltage, ESRF-type collimating slits and Medipix2 detectors. The detector systems developed in the Medipix collaboration are capable of energy resolved imaging. The measurements were performed by scanning an energy window through the spectrum. In this paper we have considered detectors made of Si, GaAs and CdTe for use in the microscopy setup. Both measurements and theoretical simulations are considered. For high X-ray energies, it is essential to consider fluorescence from the shielding and Compton scattering in silicon detectors.

Place, publisher, year, edition, pages
2009. Vol. 607, no 1, 199-201 p.
Keyword [en]
X-ray spectroscopy; Microscopy; Pixel detector; Medipix; Charge sharing; Material recognition
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-7609DOI: 10.1016/j.nima.2009.03.155ISI: 000268987900057Scopus ID: 2-s2.0-67650101690OAI: oai:DiVA.org:miun-7609DiVA: diva2:127855
Conference
10th International Workshop on Radiation Imaging Detectors, Jun 29-Jul 03, 2008, Helsinki, Finland
Projects
STC - Sensible Things that Communicate
Note

10th International Workshop on Radiation Imaging Detectors, JUN 29-JUL 03, 2008, Helsinki, Finland

Available from: 2008-12-11 Created: 2008-12-10 Last updated: 2016-09-26Bibliographically approved

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Norlin, BörjeFröjdh, Christer
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Electrical Engineering, Electronic Engineering, Information Engineering

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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