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Proceedings Paper

CCD radiation damage in ESA Cosmic Visions missions: assessment and mitigation
Author(s): David H. Lumb
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Paper Abstract

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.

Paper Details

Date Published: 26 August 2009
PDF: 10 pages
Proc. SPIE 7439, Astronomical and Space Optical Systems, 743904 (26 August 2009); doi: 10.1117/12.825284
Show Author Affiliations
David H. Lumb, European Space Agency, ESTEC (Netherlands)

Published in SPIE Proceedings Vol. 7439:
Astronomical and Space Optical Systems
Penny G. Warren; James B. Heaney; Robert K. Tyson; Michael Hart; E. Todd Kvamme; Cheryl J. Marshall, Editor(s)

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