Infrared Focal Plane Arrays For Planetary Missions

John B. Wellman

doi:10.1117/12.958138

12 December 1979 Infrared Focal Plane Arrays For Planetary Missions

John B. Wellman

Proceedings Volume 0203, Recent Advances in TV Sensors and Systems; (1979) https://doi.org/10.1117/12.958138
Event: 23rd Annual Technical Symposium, 1979, San Diego, United States

Abstract

Requirements for infrared detector array focal planes suitable for a set of prospective planetary missions are developed. Using the Galileo mission to Jupiter as a starting point, objectives and constraints applicable to outer planet missions are developed. The concept for an advanced mapping spectrometer utilizing 128 x 128 element infrared detector arrays is described. Specific implementations for the Saturn Orbiter Dual Probe mission, a Mars Orbiter mission, and a Titan Orbiter mission are defined. The analysis indicates that within the 1 to 5 μm range, broad scientific objectives for these missions can be met using focal plane arrays with detectivities on the order of 101 cm Hz ^1/2 W^-1. The realization of such high detectivities in a low background application will necessitate careful development of the method by which the detector signals are multiplexed and read out.

Citation Download Citation

John B. Wellman "Infrared Focal Plane Arrays For Planetary Missions", Proc. SPIE 0203, Recent Advances in TV Sensors and Systems, (12 December 1979); https://doi.org/10.1117/12.958138

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