Far-IR Fabry-Perot spectrometer for OH measurements

Herbert M. Pickett; Dean B. Peterson

doi:10.1117/12.140198

12 February 1993 Far-IR Fabry-Perot spectrometer for OH measurements

Herbert M. Pickett, Dean B. Peterson

Proceedings Volume 1715, Optical Methods in Atmospheric Chemistry; (1993) https://doi.org/10.1117/12.140198
Event: Environmental Sensing '92, 1992, Berlin, Germany

Abstract

The Far Infrared Limb Observing Spectrometer (FILOS) is an instrument designed to measure chemical species in the upper atmosphere using limb emission in the FIR region of the spectrum. FILOS uses three Fabry-Perot etalons in series to obtain a resolution of 0.0017/cm near 100/cm (100 microns). It is compact and has low power and low data rate requirements so that it may be flown as an auxiliary balloon payload with larger instruments. FILOS has two 0.05/cm bandwidth channels which are currently tuned to a HCl line at 104.2/cm and a pair of OH lines at 101.3/cm. The instrument is described in further detail and results are presented from two recent balloon flights in which OH was measured as a function of time on one hour centers from sunrise to sunset.

Citation Download Citation

Herbert M. Pickett and Dean B. Peterson "Far-IR Fabry-Perot spectrometer for OH measurements", Proc. SPIE 1715, Optical Methods in Atmospheric Chemistry, (12 February 1993); https://doi.org/10.1117/12.140198

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