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Proceedings Paper

IR focal plane arrays for the OMEGA spectrometer on board the Mars '96 mission
Author(s): Michel Royer; Dominique Lorans; Bruno Flaux; Joel Fleury; Robert Picault; Yann Hello; Pascal Puget
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Paper Abstract

The MARS '96 spacecraft is devoted to a mission to planet Mars with a lifetime of three years. This paper presents the characteristics of the IR detection modules for the OMEGA IR spectrometer. SAT has developed the identification model, development model, and flight models of detectors, each having 2 arrays and IR filters in a dedicated space housing equipped with a flexible electrical line and a connector. An array is composed of 128 multiplexed InSb photovoltaic detectors surrounded by a specific IR filter. Each filter is divided into 2 zones. The multiplexed read-out is obtained with a Si CCD device. Space-designed and qualified for SPOT IV, it has not been modified for our 77 K operating condition, only the drive electronics, bias conditions, and phase clocking have been adapted to the 128 detectors. An evaluation program has been applied, according to ESA requirements, with environmental tests and the results are reported including mechanical tests. thermal cycling, ESD testing, and irradiation. Complete measurements have been performed with IR filters, specific packaging, and cold line integrated in the equipment.

Paper Details

Date Published: 29 September 1995
PDF: 12 pages
Proc. SPIE 2553, Infrared Spaceborne Remote Sensing III, (29 September 1995); doi: 10.1117/12.221375
Show Author Affiliations
Michel Royer, Societe Anonyme de Telecommunications (France)
Dominique Lorans, Societe Anonyme de Telecommunications (France)
Bruno Flaux, Societe Anonyme de Telecommunications (France)
Joel Fleury, Societe Anonyme de Telecommunications (France)
Robert Picault, Societe Anonyme de Telecommunications (France)
Yann Hello, Observatoire de Paris-Meudon (France)
Pascal Puget, Observatoire de Paris-Meudon (France)

Published in SPIE Proceedings Vol. 2553:
Infrared Spaceborne Remote Sensing III
Marija Strojnik; Bjorn F. Andresen, Editor(s)

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