Design And Test Of The Near Infrared Mapping Spectrometer (NIMS) Focal Plane For The Galileo Jupiter Orbiter Mission

Gary Bailey

doi:10.1117/12.957995

17 December 1979 Design And Test Of The Near Infrared Mapping Spectrometer (NIMS) Focal Plane For The Galileo Jupiter Orbiter Mission

Gary Bailey

Author Affiliations +

Proceedings Volume 0197, Modern Utilization of Infrared Technology V; (1979) https://doi.org/10.1117/12.957995
Event: 23rd Annual Technical Symposium, 1979, San Diego, United States

Abstract

A Near Infrared Mapping Spectrometer (NIMS) will fly past Jupiter on the Galileo spacecraft in 1982. The infrared detector assembly (focal plane) used in the instrument is to be passively cooled to 80 K by radiation into space. The focal plane contains InSb and two silicon detectors, each with an associated dual J-FET preamp and feedback resistor. Preliminary fabrication and test experience will be described for an experimental five-channel hybrid detector assembly. At 80 K, a 5μ D* of 2 x 10¹³ has been demonstrated. Measurements of spectral noise density along with a plasma cleaning technique will also be described. The final NIMS focal plane will contain much of the design experience gained from the experimental hybrid detector assembly.

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Gary Bailey "Design And Test Of The Near Infrared Mapping Spectrometer (NIMS) Focal Plane For The Galileo Jupiter Orbiter Mission", Proc. SPIE 0197, Modern Utilization of Infrared Technology V, (17 December 1979); https://doi.org/10.1117/12.957995

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