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Sophisticated optical systems extend reach of free-space communications.
The article focuses on the development of free-space optical (FSO) communications systems. Andrew K. Kerman of Massachusetts Institute of Technology (MIT) says that the Lunar Laser Communications Demonstration (LLCD) program will be used to show the ability of photon-counting laser communications in National Aeronautics and Space Administration (NASA). Heinz Willebrand of LightPointe Inc. says that their FSO system increases the receive lens surface while reducing the scintillation effect.