Development of a Lidar System for Measuring Methane Using a Gas Correlation Method

Development of a Lidar System for Measuring Methane Using a Gas Correlation Method

We developed a laser long-path absorption lidar system using a gas correlation method for measuring atmospheric methane. This technique uses a broad-band laser and a gas correlation cell. We developed a potassium titanyl arsenate (KTA) optical parametric oscillator at 3.416 µm for the laser source....

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Veröffentlicht in:Japanese Journal of Applied Physics 1999, Vol.38 (10R), p.6130
Hauptverfasser: Minato, Atsushi, Joarder, MD. Mahbubul Alam, Ozawa, Satoru, Kadoya, Minoru, Sugimoto, Nobuo
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container_issue 10R
container_start_page 6130
container_title Japanese Journal of Applied Physics
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creator Minato, Atsushi
Joarder, MD. Mahbubul Alam
Ozawa, Satoru
Kadoya, Minoru
Sugimoto, Nobuo
description We developed a laser long-path absorption lidar system using a gas correlation method for measuring atmospheric methane. This technique uses a broad-band laser and a gas correlation cell. We developed a potassium titanyl arsenate (KTA) optical parametric oscillator at 3.416 µm for the laser source. The optical round-trip path length is 20 m. The experiment was carried out using this system. It was estimated that the error in the density of methane is 4.4 ppm for measurement within 1 s.
doi_str_mv 10.1143/JJAP.38.6130
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title Development of a Lidar System for Measuring Methane Using a Gas Correlation Method
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