High-Resolution Fourier-Transform Ultraviolet-Visible Spectrometer for the Measurement of Atmospheric Trace Species: Application to OH

Creators: Cageao, Richard P.; Blavier, Jean-Francois; McGuire, James P.; Jiang, Yibo; Nemtchinov, Vassilli; Mills, Frank P.; Sander, Stanley P.

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Abstract

A compact, high-resolution Fourier-transform spectrometer for atmospheric near-ultraviolet spectroscopy has been installed at the Jet Propulsion Laboratory s Table 1 Mountain Facility (34.4 N, 117.7 W, elevation 2290 m). This instrument is designed with an unapodized resolving power near 500,000 at 300 nm to provide high-resolution spectra from 290 to 675 nm for the quantification of column abundances of trace atmospheric species. The measurement technique used is spectral analysis of molecular absorptions of solar radiation. The instrument, accompanying systems designs, and results of the atmospheric hydroxyl column observations are described.

Additional Information

© 2001 Optical Society of America Received 20 March 2000; revised manuscript received 17 October 2000. The research described in this paper was conducted at the JPL, California Institute of Technology. It was supported by grants from the NASA Upper Atmosphere Research Program, the U.S. Naval Research Laboratory, and by the JPL Director's Discretionary Fund. We thank R. Beer, B. Farmer, R. Norton, R. Friedl, D. Peterson, and G. Toon of JPL and G. Wyntjes and J. Engel of Optra, Inc. for many valuable discussions. We also thank D. Miller, J. MacConnell, G. A. Al-Jumaily, D. Natzic, J. D. Rex, R. Chave, R. Marquedant, J. Voeltz, and B. Wilson for their assistance with the instrument design and fabrication.

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