Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21345913m&link_type=abstract
American Astronomical Society, AAS Meeting #213, #459.13; Bulletin of the American Astronomical Society, Vol. 41, p.366
Astronomy and Astrophysics
Astronomy
Scientific paper
DRS provided the four channel focal plane array system for the Wide-field Infrared Survey Explorer (WISE) payload. The two shorter wavelength bands, centered near 3.2 and 4.5 µm, employed 1024x1024 HAWAII 1RG Mercury Cadmium Telluride (MCT) FPAs obtained from Teledyne Imaging Systems, Inc. The two longer wavelength bands, centered near 12 and 24 µm, utilized 1024x1024 arsenic doped silicon (Si:As) Blocked Impurity Band (BIB) FPAs, which were developed for the program by DRS. DRS packaged the 4 FPAs into similar custom cryogenic modules, each with its own flexible cryogenic ribbon cable to route FPA image output signals from within the WISE cryogenic telescope assembly through the cryostat walls. DRS also designed the cables and a common flight electronics box (FEB) to operate all 4 FPAs to provide their multiplexed digital image data streams to subsequent on-payload data processing and downlink systems. Fully functional, non-flight versions of the cabling and FEB were built to operate the FPAs during payload integration. The FPA system was delivered to the WISE payload integrator Space Dynamics Laboratory (SDL) in late 2007, and it is currently being integrated in to the WISE payload.
Bojorquez A.
Dawson L.
Hogue Henry H.
Masterjohn Stacy
Mattson Reed
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