Optical design of the composite infrared spectrometer (CIRS) for the Cassini mission

Peter William Maymon; Michael G. Dittman; Bert A. Pasquale; Donald E. Jennings; Kimberly I. Mehalick; Catherine J. Trout

doi:10.1117/12.158752

1 November 1993 Optical design of the composite infrared spectrometer (CIRS) for the Cassini mission

Peter William Maymon, Michael G. Dittman, Bert A. Pasquale, Donald E. Jennings, Kimberly I. Mehalick, Catherine J. Trout

Author Affiliations +

Proceedings Volume 1945, Space Astronomical Telescopes and Instruments II; (1993) https://doi.org/10.1117/12.158752
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

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).

Citation Download Citation

Peter William Maymon, Michael G. Dittman, Bert A. Pasquale, Donald E. Jennings, Kimberly I. Mehalick, and 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); https://doi.org/10.1117/12.158752

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