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30 December 2004 Multiple Instrument Distributed Aperture Sensor (MIDAS) for planetary remote sensing
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Abstract
An innovative approach that enables greatly increased return from planetary science remote sensing missions is described. Our concept, called Multiple Instrument Distributed Aperture Sensor (MIDAS), provides a large-aperture, wide-field telescope at a fraction of the cost, mass and volume of conventional space telescopes, by integrating advanced optical interferometry technologies. All optical assemblies are integrated into MIDAS as the primary remote sensing science payload, thereby reducing the cost, resources, complexity, integration and risks of a set of back-end science instruments (SI’s) tailored to a specific mission, such as advanced SI’s now in development for future planetary remote sensing missions. MIDAS interfaces to multiple SI’s for redundancy and to enable synchronized concurrent science investigations, such as with multiple highly sensitive spectrometers. Passive imaging modes with MIDAS enable high resolution remote sensing at the diffraction limit of the overall synthetic aperture, sequentially by each science instrument as well as in somewhat lower resolution by multiple science instruments acting concurrently on the image, such as in different wavebands. Our MIDAS concept inherently provides nanometer-resolution hyperspectral passive imaging without the need for any moving parts in the science instruments. In its active remote sensing modes using an integrated laser subsystem, MIDAS enables LIDAR, vibrometry, illumination, various active laser spectroscopies such as ablative, breakdown, fluorescence, Raman and time-resolved spectroscopy. The MIDAS optical design also provides high-resolution imaging for long dwell times at high altitudes, thereby enabling real-time, wide-area remote sensing of dynamic changes in planet surface processes. These remote sensing capabilities significantly enhance astrobiologic, geologic, atmospheric, and similar scientific objectives for planetary exploration missions.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joseph T. Pitman, Alan Duncan, David Stubbs, Robert D. Sigler, Richard Lee Kendrick, Eric H. Smith, James E. Mason, Gregory Delory, Jere H. Lipps, Michael Manga, James R. Graham, Imke de Pater, Sarah Reiboldt, Philip Marcus, Edward Bierhaus, James B. Dalton, James R. Fienup, and Jeffrey W. Yu "Multiple Instrument Distributed Aperture Sensor (MIDAS) for planetary remote sensing", Proc. SPIE 5660, Instruments, Science, and Methods for Geospace and Planetary Remote Sensing, (30 December 2004); https://doi.org/10.1117/12.578430
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