First flights for CO2-detecting lidar

Nearly two decades of NASA technology investment in lidar systems and two-micron transmitters has resulted in a new capability for remotely measuring the carbon dioxide (CO2) levels in Earth's atmosphere. NASA has developed an Integrated Path Differential Absorption (IPDA) Lidar that incorporates highenergy, double-pulse lasers with high repetition rates. The compact lidar instrument aims to provide accurate, highresolution atmospheric CO2 column measurements from an airborne platform. The...

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