Atmosphere halogen oxides concentration retrieving by differential optical spectroscopy in the UV region of the spectrum

Pavel P. Geiko; Sergey S. Smirnov; Ignatii V. Samokhvalov

doi:10.1117/12.2503730

13 December 2018 Atmosphere halogen oxides concentration retrieving by differential optical spectroscopy in the UV region of the spectrum

Pavel P. Geiko, Sergey S. Smirnov , Ignatii V. Samokhvalov

Author Affiliations +

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 108333R (2018) https://doi.org/10.1117/12.2503730
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The method of differential optical absorption spectroscopy is an effective tool for open-path measurements of atmospheric gases and impurities. The gas analyzers based on this method traditionally include a high pressure xenon lamp as the radiation source, that require high voltage, which makes gas analyzers are bulky and power-inefficient. Recent developments in fiber-coupling telescope technology and the availability of ultraviolet light emitting diodes have now allowed us to construct a portable, long path gas analyzer. The gas analyzer comprises two UV-LEDs emitting in the near UV-region of the spectrum, the system of optical fibers, a receiving-transmitting telescope, and spectrometer and treatment system. There are presents a description of the methodology and results of the measurement of chlorine and bromine oxides with gas analyzer based on UV-LEDs.

Citation Download Citation

Pavel P. Geiko, Sergey S. Smirnov , and Ignatii V. Samokhvalov "Atmosphere halogen oxides concentration retrieving by differential optical spectroscopy in the UV region of the spectrum", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 108333R (13 December 2018); https://doi.org/10.1117/12.2503730

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