Application of cascade lasers to detection of trace gaseous atmospheric pollutants

Marcin Miczuga; Krzysztof Kopczyński

doi:10.1117/12.2261404

8 December 2016 Application of cascade lasers to detection of trace gaseous atmospheric pollutants

Proceedings Volume 10159, Laser Technology 2016: Progress and Applications of Lasers; 101590X (2016) https://doi.org/10.1117/12.2261404
Event: XIth Symposium on Laser Technology, 2016, Jastarnia, Poland

Abstract

Understanding the impact of gaseous pollutants on the earth's atmosphere, as well as more and more felt by mankind negative effects of its contamination, result in increasing the level of environmental awareness and contribute to the intensification of actions aimed at reducing the emission of harmful gases into the atmosphere. At the same time, the extensive studies are conducted in order to continuously monitor the level of air contamination with harmful gases and the industry compliance with the standards limited the amount of emitted pollutants.

Over recent years, there has been increasing use of cascade lasers and multi-pass cells in optical systems detecting the gaseous atmospheric pollutants and measuring the gas concentrations.

The paper presents the use of a tunable quantum cascade laser as a source of the IR radiation in an advanced detection system enabling the trace gaseous atmospheric pollutants to be identified. Apart from the laser, the main elements of the system are: a multi-pass cell, an IR detector and a module for control and analysis. Operation of the system is exemplified by measuring the level of the air pollution with ammonia, carbon oxide and nitrous oxide.

Citation Download Citation

Marcin Miczuga and Krzysztof Kopczyński "Application of cascade lasers to detection of trace gaseous atmospheric pollutants", Proc. SPIE 10159, Laser Technology 2016: Progress and Applications of Lasers, 101590X (8 December 2016); https://doi.org/10.1117/12.2261404

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