Free-space optical communication system

摘要

A free-space optical communication system comprises two transmit/receive terminals, where at least one of them comprises at least one photodetector and one light source optically coupled with a common transmit/receive optical antenna. The first terminal optical antenna is implemented so that it forms point spread functions of points located at the first terminal light sources output apertures so that they overlap in the area where the second terminal transmit/receive antenna aperture is located. The point spread functions, formed by the antenna, corresponding to points located within the second terminal antenna aperture, overlap with receive apertures of the first terminal photodetectors.