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Communication Dans Un Congrès Année : 2023

Bi-Pulse Fiber Laser Source Concept for Integrated-Path Differential Absorption Lidar from Space

Concept de source laser à fibre bi-pulse pour un lidar à absorption différentielle embarqué dans un satellite

Résumé

CO 2 monitoring over an atmospheric column provides crucial information for climate change monitoring. A possible implementation for this measurement is IPDA (Integrated-Path-Differential-Absorption) lidar on a satellite that measures the absorption difference between two close wavelengths (λON , absorbed by CO 2 and λOFF , not absorbed). Distance to ground must be simultaneously measured. Pulses must be short enough for telemetry (<100ns), narrow-linewidth for spectrally resolved absorption measurement (<100MHz) and high-energy for signal-to-noise ratio (mJ-level).
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Dates et versions

hal-04278724 , version 1 (10-11-2023)

Identifiants

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Laurent Lombard, Nicolas Cézard, Anne Durecu, François Gustave. Bi-Pulse Fiber Laser Source Concept for Integrated-Path Differential Absorption Lidar from Space. CLEO EUROPE 2023, Jun 2023, Munich, Germany. ⟨10.1109/CLEO/Europe-EQEC57999.2023.10232709⟩. ⟨hal-04278724⟩
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