CCD radiation damage in ESA Cosmic Visions missions: assessment and mitigation

Details CCD radiation damage in ESA Cosmic Visions missions: assessment and mitigation CCD radiation damage in ESA Cosmic Visions missions: assessment and mitigation

Aug 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009spie.7439e...2l&link_type=abstract

Astronomical and Space Optical Systems. Edited by Warren, Penny G.; Marshall, Cheryl J.; Tyson, Robert K.; Lloyd-Hart, Michael;

Computer Science

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1

Scientific paper

Charge Coupled Device (CCD) imagers have been widely used in space-borne astronomical instruments. A frequent concern has been the radiation damage effects on the CCD charge transfer properties. We review some methods for assessing the Charge Transfer Inefficiency (CTI) in CCDs. Techniques to minimise degradation using background charge injection and p-channel CCD architectures are discussed. A critical review of the claims for p-channel architectures is presented. The performance advantage for p-channel CCD performance is shown to be lower than claimed previously. Finally we present some projections for the performance in the context of some future ESA missions.

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