Using TEA CO2 laser radiation harmonics in helicopterborne lidar for controling leakage of toxic and dangerously explosive gases

Alexander I. Karapuzikov; Gennadii G. Matvienko; Yurii N. Ponomarev; Igor V. Ptashnik; Oleg A. Romanovskii; Olga V. Kharchenko; Igor V. Sherstov

doi:10.1117/12.370533

19 November 1999 Using TEA CO₂ laser radiation harmonics in helicopterborne lidar for controling leakage of toxic and dangerously explosive gases

Alexander I. Karapuzikov, Gennadii G. Matvienko, Yurii N. Ponomarev, Igor V. Ptashnik, Oleg A. Romanovskii, Olga V. Kharchenko, Igor V. Sherstov

Author Affiliations +

Proceedings Volume 3983, Sixth International Symposium on Atmospheric and Ocean Optics; (1999) https://doi.org/10.1117/12.370533
Event: Sixth International Symposium on Atmospheric and Ocean Optics, 1999, Tomsk, Russian Federation

Abstract

The characteristics of a helicopter-borne lidar based on tunable TEA CO₂ laser and its third harmonic designed for remote detecting the methane and ammonia leakages from pipe-lines are analyzed numerically. The spectral range near 3 micrometers is shown to be most promising for remote sensing of methane emissions. Parameters of radiation of the tunable pulse-periodic mini-TEA CO₂ laser and generators of harmonics to be utilized in the helicopter-borne differential absorption lidar are estimated. Emissions of different gases intensity are analyzed for possible detectability at a distance up to 1 km. The use of the third harmonic of the TEA CO₂ laser allows methane emissions from a pipe-line to be detected and measured with mean measurement error from 10 to 15% for methane concentrations varying from the background level to the explosion-hazardous one. The optimal pair and possibilities of the ammonia remote sensing on the base of the first harmonic of TEA CO₂ laser was determined as well.

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Alexander I. Karapuzikov, Gennadii G. Matvienko, Yurii N. Ponomarev, Igor V. Ptashnik, Oleg A. Romanovskii, Olga V. Kharchenko, and Igor V. Sherstov "Using TEA CO₂ laser radiation harmonics in helicopterborne lidar for controling leakage of toxic and dangerously explosive gases", Proc. SPIE 3983, Sixth International Symposium on Atmospheric and Ocean Optics, (19 November 1999); https://doi.org/10.1117/12.370533

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