Abstract
A space-based coherent Doppler lidar, such as the AEOLUS[1] instrument under investigation at NASA, will probably employ some form of scan geometry and will consequently see an azimuth angle dependent Doppler shift due to components of the spacecraft velocity and earth rotational velocity. The two micron wavelength region currently being considered for this instrument means that this varying Doppler shift will be large. Figure (1) shows this Doppler shift as a function of azimuth angle for an instrument with a 30 deg. nadir angle and a 350 km high orbit.
© 1995 Optical Society of America
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