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Proceedings Paper

Radiation-induced charge transfer inefficiency in charge-coupled devices: Sentinel-4 CCD pre-development as a case study
Author(s): T. Prod'homme; J.-M. Belloir; H. Weber; G. Bazalgette Courrèges-Lacoste; R. Meynart; Y.-R. Nowicki-Bringuier; J. Caron; Y. Levillain; C. Woffinden; B. Lord; R. Mackie
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Paper Abstract

Energetic particles in space damage electronic components, and in particular affect the capability of Charge-Coupled Devices (CCD) to transfer photo-generated charge packets to the output node. If not properly accounted for either during the instrument design process or in the mission data processing pipeline, radiation-induced Charge Transfer Inefficiency (CTI) causes image distortion, decreases the signal-to-noise ratio, and ultimately leads to bias in the measurement carried out. CTI is a well-identified error budget contributor for mission operating in the photon-starving regime like space telescopes dedicated to Astronomy, but is less studied in the context of Earth Observation missions. We present a study conducted during the Sentinel-4/UVN CCD pre-development to provide a first assessment of the CTI effects on the Sentinel-4 measurements.

Paper Details

Date Published: 7 October 2014
PDF: 16 pages
Proc. SPIE 9241, Sensors, Systems, and Next-Generation Satellites XVIII, 92410Y (7 October 2014); doi: 10.1117/12.2072625
Show Author Affiliations
T. Prod'homme, European Space Agency, ESTEC (Netherlands)
J.-M. Belloir, European Space Agency, ESTEC (Netherlands)
H. Weber, European Space Agency, ESTEC (Netherlands)
G. Bazalgette Courrèges-Lacoste, European Space Agency, ESTEC (Netherlands)
R. Meynart, European Space Agency, ESTEC (Netherlands)
Y.-R. Nowicki-Bringuier, European Space Agency, ESTEC (Netherlands)
J. Caron, European Space Agency, ESTEC (Netherlands)
Y. Levillain, European Space Agency, ESTEC (Netherlands)
C. Woffinden, e2v technologies Ltd. (United Kingdom)
B. Lord, e2v technologies Ltd. (United Kingdom)
R. Mackie, e2v technologies Ltd. (United Kingdom)

Published in SPIE Proceedings Vol. 9241:
Sensors, Systems, and Next-Generation Satellites XVIII
Roland Meynart; Steven P. Neeck; Haruhisa Shimoda, Editor(s)

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