Dual comb integrated path DIAL lidar for gas monitoring: design and experimental implementation

William Patiño Rosas; Nicolas Cézard

doi:10.1117/12.2679438

19 October 2023 Dual comb integrated path DIAL lidar for gas monitoring: design and experimental implementation

William Patiño Rosas, Nicolas Cézard

Proceedings Volume 12730, Remote Sensing of Clouds and the Atmosphere XXVIII; 127300J (2023) https://doi.org/10.1117/12.2679438
Event: SPIE Remote Sensing, 2023, Amsterdam, Netherlands

Abstract

We report on the design of a dual comb-based fiber lidar system for Integrated Path Differential Absorption (IPDA) measurements. The system relies on the Dual Comb Spectroscopy (DCS) technique using the lidar return from a hard target. Frequency combs are generated by means of electro-optic modulators. The working principle and architecture of the dual comb lidar are detailed. We present a proof of concept of the lidar system and demonstrate the measurement of a water-vapor absorption line, utilizing a diffuse (non-cooperative) hard target located 200 meters away from the emitter.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

William Patiño Rosas and Nicolas Cézard "Dual comb integrated path DIAL lidar for gas monitoring: design and experimental implementation", Proc. SPIE 12730, Remote Sensing of Clouds and the Atmosphere XXVIII, 127300J (19 October 2023); https://doi.org/10.1117/12.2679438

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