Heterodyne measurements of stratospheric ozone using a single sideband tunable CO2 laser

Kambiz Shahnazi; Lahmer Lynds

doi:10.1117/12.327214

8 September 1998 Heterodyne measurements of stratospheric ozone using a single sideband tunable CO₂ laser

Kambiz Shahnazi, Lahmer Lynds

Proceedings Volume 3380, Laser Radar Technology and Applications III; (1998) https://doi.org/10.1117/12.327214
Event: Aerospace/Defense Sensing and Controls, 1998, Orlando, FL, United States

Abstract

Heterodyne detection of ozone in the stratosphere has been demonstrated using a tunable single sideband CO₂ laser as the local oscillator and solar radiation acquired at ground level. Two unblended strong O₃ vibrational- rotational transitions at 1047.209 and 1047.225 cm^-1 which were offset at 10.66 and 11.12 GHz away from the CO₂ carrier 9P20 were observed. High resolution measurements at 5 MHz (0.00017 cm^-1) with a signal to noise ratio of 100:1 were obtained. The measured FWHM linewidths for these lines are about approximately equals 65 MHz. Retrieved data indicated magnitude of absorption is consistent with the anticipated integrated O₃ column density from the stratospheric region.

Citation Download Citation

Kambiz Shahnazi and Lahmer Lynds "Heterodyne measurements of stratospheric ozone using a single sideband tunable CO₂ laser", Proc. SPIE 3380, Laser Radar Technology and Applications III, (8 September 1998); https://doi.org/10.1117/12.327214

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