Recent advances on fiber-based laser and Lidar systems for future space-borne monitoring of greenhouse gas

Nicolas Cézard; Agnès Dolfi-Bouteyre; Anne Durécu; Benoit Faure; Didier Goular; François Gustave; Philippe-Jean Hébert; Julien Lahyani; Julien Le Gouët; François Lemaître; Laurent Lombard; William Patiño; Christophe Planchat; Matthieu Valla

doi:10.1117/12.2599327

11 June 2021 Recent advances on fiber-based laser and Lidar systems for future space-borne monitoring of greenhouse gas

Nicolas Cézard, Agnès Dolfi-Bouteyre, Anne Durécu, Benoit Faure, Didier Goular, François Gustave, Philippe-Jean Hébert, Julien Lahyani, Julien Le Gouët, François Lemaître, Laurent Lombard, William Patiño, Christophe Planchat, Matthieu Valla

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Proceedings Volume 11852, International Conference on Space Optics — ICSO 2020; 118521V (2021) https://doi.org/10.1117/12.2599327
Event: International Conference on Space Optics — ICSO 2021, 2021, Online Only

Abstract

We report on recent advances at ONERA on fiber-based laser and lidar systems, in the perspective of future space-borne monitoring of greenhouse gas, especially CO₂ and CH₄. We first present an advancement status of research activities on high-peak-power single-frequency fiber lasers at 2.05 μm and 1.58 μm for CO₂ monitoring, and at 1.64 μm for CH₄, as well as perspectives for future amplification and frequency-stabilization of these lasers. The second parts deals with activities led on electro-optic dual comb spectroscopy (EO-DCS), which could be a potential future alternative technique to conventional space-borne IPDA lidars (Integrated Path Differential Absorption). We report on an EO-DCS experiment performed in pulsed regime, using an Er-Yb-doped amplifier delivering up to 92 μJ, 2μs pulses at 10 kHz repetition rate. An absorption line of HCN is sampled simultaneously by a 13-teeth frequency comb, and its transmission is measured with a good agreement with respect to the expectation.

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Nicolas Cézard, Agnès Dolfi-Bouteyre, Anne Durécu, Benoit Faure, Didier Goular, François Gustave, Philippe-Jean Hébert, Julien Lahyani, Julien Le Gouët, François Lemaître, Laurent Lombard, William Patiño, Christophe Planchat, and Matthieu Valla "Recent advances on fiber-based laser and Lidar systems for future space-borne monitoring of greenhouse gas", Proc. SPIE 11852, International Conference on Space Optics — ICSO 2020, 118521V (11 June 2021); https://doi.org/10.1117/12.2599327

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