SiC focal plane assembly for the Pleiades HR Satellite

P. Pranyies; D. Deswarte; I. Toubhans; Roland Le Goff

doi:10.1117/12.573035

4 November 2004 SiC focal plane assembly for the Pleiades HR Satellite

P. Pranyies, D. Deswarte, I. Toubhans, Roland Le Goff

Proceedings Volume 5570, Sensors, Systems, and Next-Generation Satellites VIII; (2004) https://doi.org/10.1117/12.573035
Event: Remote Sensing, 2004, Maspalomas, Canary Islands, Spain

Abstract

Since the end of 1970s, EADS-SODERN has developed a series of detection units positioned in the focal plane of earth observation instruments and mounted on the French civil and military satellites like SPOT and HELIOS. Those detection units, designed for a push broom operating mode, have been progressively adapted to match the technical evolutions of the programmes. With PLEIADES High Resolution optical satellite CNES is proposing a completely new concept which has the capability to acquire the wide-swath of 20 km at nadir with panchromatic and multispectral imagery and a panchromatic mode resolution of 0.7 m at nadir. Within the industrial structure of this new programme, EADS SODERN is responsible for the development of the Focal Plane Assembly (FPA). This FPA, which is one of the most significant parts performing the imaging function, offers a wide variety of new technologies. This paper describes the design and performance budgets of this new FPA: o The mechanical support and thermal control with the Silicon Carbide (SiC) structure allows evacuating the detectors dissipation while maintaining stable the detection lines. o The folding mirrors are used to achieve the required limitation of panchromatic / multispectral distance with the constraint of detectors package size. o The spectral selection is made by strip filters place very close in front of the detectors.

Citation Download Citation

P. Pranyies, D. Deswarte, I. Toubhans, and Roland Le Goff "SiC focal plane assembly for the Pleiades HR Satellite", Proc. SPIE 5570, Sensors, Systems, and Next-Generation Satellites VIII, (4 November 2004); https://doi.org/10.1117/12.573035

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