O2 atmospheric band measurements with WINDII: performance of a narrow-band filter/wide-angle Michelson combination in space

William E. Ward; William A. Gault; Gordon G. Shepherd; Charles H. Hersom; C. C. Tai; Brian H. Solheim

doi:10.1117/12.187568

30 September 1994 O₂ atmospheric band measurements with WINDII: performance of a narrow-band filter/wide-angle Michelson combination in space

William E. Ward, William A. Gault, Gordon G. Shepherd, Charles H. Hersom, C. C. Tai, Brian H. Solheim

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Proceedings Volume 2266, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research; (1994) https://doi.org/10.1117/12.187568
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Among the emissions viewed by the wind imaging interferometer (WINDII) on the Upper Atmosphere Research Satellite (UARS) are selected lines in the (0 - 0) transition of the O₂ atmospheric band. These lines are viewed simultaneously using a narrow band filter/wide- angle Michelson interferometer combination. The narrow band filter is used to separate the lines on the CCD (spectral-spatial scanning) and the Michelson used to modulate the emissions so that winds and rotational temperatures may be measured from the Doppler shifts and relative intensities of the lines. In this report this technique is outlined and the on-orbit behavior since launch summarized.

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William E. Ward, William A. Gault, Gordon G. Shepherd, Charles H. Hersom, C. C. Tai, and Brian H. Solheim "O₂ atmospheric band measurements with WINDII: performance of a narrow-band filter/wide-angle Michelson combination in space", Proc. SPIE 2266, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research, (30 September 1994); https://doi.org/10.1117/12.187568

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