Infrared heterodyne laser detection: atmospheric applications

D. Courtois; Alain Delahaigue; Claude B. Thiebeaux

doi:10.1117/12.23087

1 November 1990 Infrared heterodyne laser detection: atmospheric applications

D. Courtois, Alain Delahaigue, Claude B. Thiebeaux

Proceedings Volume 1341, Infrared Technology XVI; (1990) https://doi.org/10.1117/12.23087
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

A laser heterodyne spectrometer in the 10 micron range is described which enables spectra to be recorded with high resolution and to obtain the true shape of the IR absorption lines. The adjustable temperature and multiple-path optical cell of the instrument permits ozone stratospheric conditions to be simulated. The true shape of the atmospheric absorption ozone line can be obtained by analyzing the solar flux with the spectrometer and its sun tracker. The concentration of stratospheric ozone versus altitude can be deduced by a synthetic spectra calculation and a nonlinear least squares fitting method.

Citation Download Citation

D. Courtois, Alain Delahaigue, and Claude B. Thiebeaux "Infrared heterodyne laser detection: atmospheric applications", Proc. SPIE 1341, Infrared Technology XVI, (1 November 1990); https://doi.org/10.1117/12.23087

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