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12 July 2019 Innovative focal plane segmentation for high-resolution planetary observation
Grégoire Hein, Marc Ferrari, Nicolas Tetaz
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Proceedings Volume 11180, International Conference on Space Optics — ICSO 2018; 111803O (2019) https://doi.org/10.1117/12.2536051
Event: International Conference on Space Optics - ICSO 2018, 2018, Chania, Greece
Abstract
As of today, Earth and planetary high-resolution observations rely on linear focal plane arrays used in TDI mode to acquire images delivered by the telescope. To both reach high angular resolution and keep a large field-of-view, homothetic imaging systems as used in Pleiades satellites or Mars Reconnaissance Orbiter [1] would lead to prohibitive linear focal plane dimensions. Reducing this parameter would therefore allow for a significant decrease in the size of space optical systems. The solution described in this paper intends to optically reduce this dimension by segmenting the linear FOV into smaller sub-fields that are stacked on a CMOS TDI sensor. It is therefore possible to drastically reduce the linear size of the array, at the expense however of a small increase in terms of complexity of the optical system.
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Grégoire Hein, Marc Ferrari, and Nicolas Tetaz "Innovative focal plane segmentation for high-resolution planetary observation", Proc. SPIE 11180, International Conference on Space Optics — ICSO 2018, 111803O (12 July 2019); https://doi.org/10.1117/12.2536051
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KEYWORDS
Telescopes
Image segmentation
Mirrors
Image quality
Sensors
CMOS sensors
Staring arrays
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