Abstract

Using a spatially filtered optical transmitter and a spatially filtered optical receiver, one can measure transverse wind velocity and also the strength of refractive turbulence at some localized region of the atmosphere along the propagation path from the transmitter to the receiver[1-3]. A profile of either quantity along the path can be obtained by using various combinations of filters. However, this technique requires a spatial filter on each side of the volume to be measured. For some applications, such as vertical profiling of the atmosphere, it would be desirable to place both filters at the receiver end of the path. The source could then be a natural source such as the sun or a star. In fact, this can be done.

© 1990 Optical Society of America