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Abstract
The method of differential optical absorption spectroscopy is an effective tool for long (several hundred meters) path measurements of the integral concentration of atmospheric gases and pollutants. A portable low-energy gas analyzer instrument for remote path measurements of gaseous pollution in the atmosphere has been proposed. The gas analyzer comprised a set of ultraviolet LEDs emitting in the UV region of the spectrum, a multi-core optical fiber, a transceiving telescope, a spectrometer, and a data processing system. The paper describes the technique and gives some results of field measurements of concentrations of a number of gaseous pollutants in the atmosphere.
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