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Optical Parametric Oscillator Based Differential Absorption Lidar for Tropospheric Methane Concentration Measurement

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Abstract

We present a Q-switched Nd:YAG-OPO based differential absorption lidar for the detection of methane in the mid-infrared region (3.0-4.5) µm. Measurements depict urban methane measurements that exhibited diurnal fluctuations in concentration levels.

© 2019 The Author(s)

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