Free-space optical communication

An 8-beam free space optics laser link, rated for 1 Gbit/s. The receptor is the large disc in the middle, the transmitters the smaller ones. To the top and right corner a monocular for assisting the alignment of the two heads.

A photophone receiver and headset, one half of Bell and Tainter's optical telecommunication system of 1880

DARPA ORCA Official Concept Art created circa 2008

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. This contrasts with using solids such as optical fiber cable or an optical transmission line. The technology is useful where the physical connections are impractical due to high costs or other considerations.

单词	Laser communication
释义	Laser communication 英语例句库 Intersatellite laser communication is the best way to solve bottleneck intersatellite communication. 卫星激光通信是解决星间通信"瓶颈"的最佳方法。英语百科 Free-space optical communication 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. This contrasts with using solids such as optical fiber cable or an optical transmission line. The technology is useful where the physical connections are impractical due to high costs or other considerations.
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Laser communication

Free-space optical communication