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Backthinned TDI CCD image sensor design and performance for the Pleiades high resolution Earth observation satellites
2017pp. 66–66
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Alex Materne, A. Bardoux, Hervé Geoffray, Thierry Tournier, Philippe Kubik, D. Morris, Iain Wallace, Christophe Renard
Abstract
The PLEIADES-HR Earth observing satellites, under CNES development, combine a 0.7m resolution panchromatic channel, and a multispectral channel allowing a 2.8 m resolution, in 4 spectral bands. The 2 satellites will be placed on a sun-synchronous orbit at an altitude of 695 km. The camera operates in push broom mode, providing images across a 20 km swath. This paper focuses on the specifications, design and performance of the TDI detectors developed by e2v technologies under CNES contract for the panchromatic channel. Design drivers, derived from the mission and satellite requirements, architecture of the sensor and measurement results for key performances of the first prototypes are presented.
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