Abstract
In an attempt to bring the high power and versatility of carbon dioxide lasers to bear on atmospheric measurements for pollutants such as carbon monoxide, nitrogen oxides, and sulfur dioxide, the authors propose parametric frequency converters for carbon dioxide laser radiation in the spectral range required. Field measurements are discussed of the densities of a number of atmospheric gas components, including CO, and of the transparency of the atmosphere to beam paths using a beam-path gas analyzer containing a frequency doubler for a carbon dioxide laser based on the zinc phosphide-germanium phosphide monocrystal. The KAMAK MERA-60 computer system 23 does programmed tuning of the carbon dioxide laser radiation wavelength by rotation of a diffraction grating.
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