CAMEX-4 Lidar Atmospheric Sensing Experiment (LASE)

LASE is an airborne DIAL (Differential Absorption Lidar) system used to measure water vapor, aerosols, and clouds throughout the troposphere. LASE operates by locking to a strong water vapor line and electronically tuning to any spectral position on the absorption line to choose the suitable absorption cross-section for optimum measurements over a range of water vapor concentrations in the atmosphere. During CAMEX-4, LASE operated from the NASA DC-8 using strong and weak water vapor lines in both the nadir and zenith modes, thereby simultaneously acquiring data below and above the aircraft.

(START DATE: 2001-08-15 STOP DATE: 2001-09-24)

NASA Information Contact: Michael Goodman, Global Hydrology and Climate Center
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