Cassini infrared Fourier spectroscopic investigation

Virgil G. Kunde; Peter A. R. Ade; Richard D. Barney; D. Bergman; Jean-Francois Bonnal; R. Borelli; David Boyd; John C. Brasunas; Gregory V. Brown; Simon B. Calcutt; F. Carroll; R. Courtin; Jacky B. Cretolle; Julie A. Crooke; Martin A. Davis; S. Edberg; Rainer K. Fettig; M. Flasar; David Alan Glenar; S. Graham; John G. Hagopian; Claef F. Hakun; Patricia Ann Hayes; L. Herath; Linda Spilker; Donald E. Jennings; Gabriel Karpati; C. Kellebenz; Brook Lakew; J. Lindsay; J. Lohr; James J. Lyons III; Robert J. Martineau; Anthony J. Martino; Mack Matsumura; J. McCloskey; T. Melak; Guy Michel; Armando Morrell; C. Mosier; LaTunia G. Pack; M. Plants; D. Robinson; Louis Rodriguez; Paul Romani; Bill Schaefer; Stephen M. Schmidt; Carlos Trujillo; Tim Vellacott; K. Wagner; D. Yun

doi:10.1117/12.253416

7 October 1996 Cassini infrared Fourier spectroscopic investigation

Virgil G. Kunde, Peter A. R. Ade, Richard D. Barney, D. Bergman, Jean-Francois Bonnal, R. Borelli, David Boyd, John C. Brasunas, Gregory V. Brown, Simon B. Calcutt, F. Carroll, R. Courtin, Jacky B. Cretolle, Julie A. Crooke, Martin A. Davis, S. Edberg, Rainer K. Fettig, M. Flasar, David Alan Glenar, S. Graham, John G. Hagopian, Claef F. Hakun, Patricia Ann Hayes, L. Herath, Linda Spilker, Donald E. Jennings, Gabriel Karpati, C. Kellebenz, Brook Lakew, J. Lindsay, J. Lohr, James J. Lyons III, Robert J. Martineau, Anthony J. Martino, Mack Matsumura, J. McCloskey, T. Melak, Guy Michel, Armando Morrell, C. Mosier, LaTunia G. Pack, M. Plants, D. Robinson, Louis Rodriguez, Paul Romani, Bill Schaefer, Stephen M. Schmidt, Carlos Trujillo, Tim Vellacott, K. Wagner, D. Yun

Author Affiliations +

Proceedings Volume 2803, Cassini/Huygens: A Mission to the Saturnian Systems; (1996) https://doi.org/10.1117/12.253416
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

The composite infrared spectrometer (CIRS) is a remote sensing instrument to be flown on the Cassini orbiter. CIRS will retrieve vertical profiles of temperature and gas composition for the atmospheres of Titan and Saturn, from deep in their tropospheres to high in their stratospheres. CIRS will also retrieve information on the thermal properties and composition of Saturn's rings and Saturnian satellites. CIRS consists of a pair of Fourier Transform Spectrometers (FTSs) which together cover the spectral range from 10-1400 cm^-1 with a spectral resolution up to 0.5 cm^-1. The two interferometers share a 50 cm beryllium Cassegrain telescope. The far-infrared FTS is a polarizing interferometer covering the 10-600 cm^-1 range with a pair of thermopile detectors, and a 3.9 mrad field of view. The mid-infrared FTS is a conventional Michelson interferometer covering 200-1400 cm^-1 in two spectral bandpasses: 600-1100 cm^{- 1100-1400 cm(superscript -1} with a 1 by 10 photovoltaic HgCdTe array. Each pixel of the arrays has an approximate 0.3 mrad field of view. The HgCdTe arrays are cooled to approximately 80K with a passive radiative cooler.

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Virgil G. Kunde, Peter A. R. Ade, Richard D. Barney, D. Bergman, Jean-Francois Bonnal, R. Borelli, David Boyd, John C. Brasunas, Gregory V. Brown, Simon B. Calcutt, F. Carroll, R. Courtin, Jacky B. Cretolle, Julie A. Crooke, Martin A. Davis, S. Edberg, Rainer K. Fettig, M. Flasar, David Alan Glenar, S. Graham, John G. Hagopian, Claef F. Hakun, Patricia Ann Hayes, L. Herath, Linda Spilker, Donald E. Jennings, Gabriel Karpati, C. Kellebenz, Brook Lakew, J. Lindsay, J. Lohr, James J. Lyons III, Robert J. Martineau, Anthony J. Martino, Mack Matsumura, J. McCloskey, T. Melak, Guy Michel, Armando Morrell, C. Mosier, LaTunia G. Pack, M. Plants, D. Robinson, Louis Rodriguez, Paul Romani, Bill Schaefer, Stephen M. Schmidt, Carlos Trujillo, Tim Vellacott, K. Wagner, and D. Yun "Cassini infrared Fourier spectroscopic investigation", Proc. SPIE 2803, Cassini/Huygens: A Mission to the Saturnian Systems, (7 October 1996); https://doi.org/10.1117/12.253416

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