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Proceedings Paper

Test validated alignment and stability performance of the JMAPS program focal plane array assembly in a cryogenic vacuum environment
Author(s): Brian C. Thompson; Pedro Sevilla; Mike Watson; Trent Newswander; Duane Miles; James Peterson
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Paper Abstract

Focal Plane Arrays (FPA) consisting of multiple Sensor Chip Assemblies (SCA) in a precision aligned mosaic are being increasingly used in optical instruments requiring large format detectors. The Joint Milli-Arcsecond Pathfinder Survey Mission (JMAPS) requires very precise positional alignment and stability of its 2 x 2 SCA mosaic at operational temperatures to meet its precision sky mapping mission requirements. Key performance requirements include: detector active area co-planarity, in-plane alignment, and thermal stability. This paper presents an overview of the JMAPS Focal Plane Array Assembly, its alignment and thermal-mechanical stability requirements, and associated test-validated performance in a cryogenic vacuum environment.

Paper Details

Date Published: 18 September 2013
PDF: 9 pages
Proc. SPIE 8836, Optomechanical Engineering 2013, 88360S (18 September 2013); doi: 10.1117/12.2024519
Show Author Affiliations
Brian C. Thompson, Space Dynamics Lab. (United States)
Pedro Sevilla, Space Dynamics Lab. (United States)
Mike Watson, Space Dynamics Lab. (United States)
Trent Newswander, Space Dynamics Lab. (United States)
Duane Miles, Space Dynamics Lab. (United States)
James Peterson, Space Dynamics Lab. (United States)


Published in SPIE Proceedings Vol. 8836:
Optomechanical Engineering 2013
Alson E. Hatheway, Editor(s)

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