Fabry-Perot interferometer for geostationary-based observations of tropospheric ozone

Allen M. Larar; William A. Roettker; Jeffery J. Puschell; William B. Cook

doi:10.1117/12.366373

20 October 1999 Fabry-Perot interferometer for geostationary-based observations of tropospheric ozone

Allen M. Larar, William A. Roettker, Jeffery J. Puschell, William B. Cook

Proceedings Volume 3756, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research III; (1999) https://doi.org/10.1117/12.366373
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

Monitoring tropospheric chemistry from space is the next frontier for advancing present-day remote sensing capabilities to meet future high-priority atmospheric science measurement needs. Paramount to these measurement requirements is that for tropospheric ozone, one of the most important gas-phase trace constituents in the lower atmosphere. Such space-based observations of tropospheric trace species are challenged by the need for sufficient horizontal resolution to identify constituent spatial distribution inhomogeneities (that result from non-uniform sources/sinks and atmospheric transport) and the need for adequate temporal resolution to resolve daytime and diurnal variations. Both of these requirements can be fulfilled from a geostationary Earth orbit (GEO) measurement configuration. An advanced atmospheric remote sensing concept for the measurement of tropospheric ozone from a GEO-based platform is presented. The concept is centered about an imaging Fabry-Perot interferometer (FPI) observing a narrow spectral interval within the strong 9.6 micron ozone infrared band with a spectral resolution approximately 0.07 cm^-1. This concept could also simplify other atmospheric chemistry sensor designs (which typically require spectral resolutions in the range of 0.01 - 0.1 cm^-1), since such an FPI approach could be implemented for those spectral bands requiring the highest spectral resolution and thus simplify overall design complexity.

Citation Download Citation

Allen M. Larar, William A. Roettker, Jeffery J. Puschell, and William B. Cook "Fabry-Perot interferometer for geostationary-based observations of tropospheric ozone", Proc. SPIE 3756, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research III, (20 October 1999); https://doi.org/10.1117/12.366373

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