Infrared heterodyne laser detection - Atmospheric applications

Details Infrared heterodyne laser detection - Atmospheric applications Infrared heterodyne laser detection - Atmospheric applications

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1341..152c&link_type=abstract

IN: Infrared technology XVI; Proceedings of the Meeting, San Diego, CA, July 11-13, 1990 (A92-21426 07-35). Bellingham, WA, Soci

Physics

Optics

1

Infrared Detectors, Infrared Lasers, Laser Spectrometers, Optical Heterodyning, Ozonometry, Spectral Resolution, Carbon Dioxide Lasers, Coherent Radiation, Mercury Cadmium Tellurides, Ozone, Quantum Optics

Scientific paper

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.

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