20 May 1994 OH Interferometer Observations (OHIO) concept: a baseline design for satellite-based measurements of stratospheric OH
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Abstract
The OH Interferometer Observations (OHIO) concept is a Fabry-Perot/grating based spectrometer for measuring the OH radical in the earth's atmosphere from a satellite platform. OHIO uses technology which is all presently available to provide a reasonably simple, small, and robust instrument which will specialize in stratospheric OH measurements, and will operate without stored cryogens, except that an order of magnitude improvement is still necessary in detector sensitivity. High-Tc bolometers are a promising technology that may provide this improvement. We present a baseline design for the instrument and the underlying atmospheric spectroscopy supporting the choice of this type of instrument. We also show that a far infrared satellite instrument is chiefly suitable for making OH measurements; measurements of other species which are of interest in ozone layer photochemistry are either significantly more difficult to make, or can be measured well by existing techniques. The more difficult measurement of the next HOx species of importance, the HO2 radical, is briefly discussed.
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Kelly Van Chance, Kelly Van Chance, Jan J. Wijnbergen, Jan J. Wijnbergen, Wolfgang Schneider, Wolfgang Schneider, John P. Burrows, John P. Burrows, } "OH Interferometer Observations (OHIO) concept: a baseline design for satellite-based measurements of stratospheric OH", Proc. SPIE 2159, High-Temperature Superconducting Detectors: Bolometric and Nonbolometric, (20 May 1994); doi: 10.1117/12.176147; https://doi.org/10.1117/12.176147
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