Free-space optical communication
From Wiki @ Karl Jones dot com
Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking.
"Free space" means air, outer space, vacuum, or something similar.
The technology is useful where the physical connections are impractical due to high costs or other considerations.
Solid media
By contrast, technologies such as optical fiber cable and optical transmission lines use solid media.
See also
External links
- Free-space optical communication @ Wikipedia
