Airborne lidar for simultaneous measurement of column CO2 and water vapor in the atmosphere

Upendra N. Singh; Mulugeta Petros; Tamer F. Refaat; Charles W. Antill; Ruben Remus; Jirong Yu

doi:10.1117/12.2245509

24 October 2016 Airborne lidar for simultaneous measurement of column CO₂ and water vapor in the atmosphere

Upendra N. Singh, Mulugeta Petros, Tamer F. Refaat, Charles W. Antill, Ruben Remus, Jirong Yu

Author Affiliations +

Proceedings Volume 10006, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XII; 1000602 (2016) https://doi.org/10.1117/12.2245509
Event: SPIE Remote Sensing, 2016, Edinburgh, United Kingdom

Abstract

The 2-micron wavelength region is suitable for atmospheric carbon dioxide (CO₂) measurements due to the existence of distinct absorption feathers for the gas at this particular wavelength. For more than 20 years, researchers at NASA Langley Research Center (LaRC) have developed several high-energy and high repetition rate 2-micron pulsed lasers. This paper will provide status and details of an airborne 2-micron triple-pulse integrated path differential absorption (IPDA) lidar. The development of this active optical remote sensing IPDA instrument is targeted for measuring both CO₂ and water vapor (H₂O) in the atmosphere from an airborne platform. This presentation will focus on the advancement of the 2-micron triple-pulse IPDA lidar development. Updates on the state-of-the-art triple-pulse laser transmitter will be presented including the status of seed laser locking, wavelength control, receiver telescope, detection system and data acquisition. Future plans for the IPDA lidar system for ground integration, testing and flight validation will also be presented.

Citation Download Citation

Upendra N. Singh, Upendra N. Singh, Mulugeta Petros, Mulugeta Petros, Tamer F. Refaat, Tamer F. Refaat, Charles W. Antill, Charles W. Antill, Ruben Remus, Ruben Remus, Jirong Yu, Jirong Yu, } "Airborne lidar for simultaneous measurement of column CO₂ and water vapor in the atmosphere", Proc. SPIE 10006, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XII, 1000602 (24 October 2016); doi: 10.1117/12.2245509; https://doi.org/10.1117/12.2245509

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