1 November 1993 Optical design of the composite infrared spectrometer (CIRS) for the Cassini mission
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Abstract
The Composite Infrared Spectrometer (CIRS) is an instrument currently under development at NASA Goddard Space Flight Center for the Cassini mission to Saturn. The CIRS optical design heritage extends back to the Infrared Interferometer Spectrometer (IRIS) which flew on Voyager. CIRS is the next logical step in the exploration of the atmosphere of Saturn and Titan. It will obtain more complete sets of data with broader spectral coverage, higher spectral and spatial resolution, and greater sensitivity. The CIRS optical design consists of four subassemblies: (1) a 50.8 cm diameter Cassegrain telescope, (2) a Mid-Infrared (MIR) Michelson interferometer, (3) a Far-Infrared (FIR) polarizing interferometer, and (4) a Reference interferometer (RI).
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Peter William Maymon, Peter William Maymon, Michael G. Dittman, Michael G. Dittman, Bert A. Pasquale, Bert A. Pasquale, Donald E. Jennings, Donald E. Jennings, Kimberly I. Mehalick, Kimberly I. Mehalick, Catherine J. Trout, Catherine J. Trout, } "Optical design of the composite infrared spectrometer (CIRS) for the Cassini mission", Proc. SPIE 1945, Space Astronomical Telescopes and Instruments II, (1 November 1993); doi: 10.1117/12.158752; https://doi.org/10.1117/12.158752
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