4 October 2017 Optical parametric oscillator lidar for the gas constituents sensing in the spectral range of 3-4 μm
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Abstract
The applicability of a KTA crystal-based laser system with optical parametric oscillators (OPO) generation to lidar sounding of the atmosphere in the spectral range 3–4 μm is studied in this work. A technique developed for lidar sounding of trace atmospheric gases (TAG) is based on differential absorption lidar (DIAL) method and differential optical absorption spectroscopy (DOAS). The DIAL-DOAS technique is tested to estimate its efficiency for lidar sounding of atmospheric trace gases. The numerical simulation performed shows that a KTA-based OPO laser is a promising source of radiation for remote DIAL-DOAS sounding of the TAGs under study along surface tropospheric paths. A possibility of using Ophir PE25-C and PE10-C piezoelectric sensors for the DIAL gas analysis of the atmosphere is shown. Echoes of the broadband lidar in the above ranges are experimentally detected.
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O. V. Kharchenko, O. V. Kharchenko, O. A. Romanovskii, O. A. Romanovskii, S. A. Sadovnikov, S. A. Sadovnikov, S. V. Yakovlev, S. V. Yakovlev, } "Optical parametric oscillator lidar for the gas constituents sensing in the spectral range of 3-4 μm", Proc. SPIE 10429, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XIII, 1042904 (4 October 2017); doi: 10.1117/12.2278037; https://doi.org/10.1117/12.2278037
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