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Optical wireless communications. (Redirected from Optical Wireless Communications) Optical wireless communications ( OWC) is a form of optical communication in which unguided visible, infrared (IR), or ultraviolet (UV) light is used to carry a signal. It is generally used in short-range communication.
Visible light is only a small portion of the electromagnetic spectrum. In telecommunications, visible light communication ( VLC) is the use of visible light ( light with a frequency of 400–800 THz / wavelength of 780–375 nm) as a transmission medium. VLC is a subset of optical wireless communications technologies.
Fiber-optic communication is a method of transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber. [ 1][ 2] The light is a form of carrier wave that is modulated to carry information. [ 3] Fiber is preferred over electrical cabling when high bandwidth, long distance, or immunity ...
Transceiver. In radio communication, a transceiver is an electronic device which is a combination of a radio trans mitter and a re ceiver, hence the name. It can both transmit and receive radio waves using an antenna, for communication purposes. These two related functions are often combined in a single device to reduce manufacturing costs.
A fiber-optic cable, also known as an optical-fiber cable, is an assembly similar to an electrical cable but containing one or more optical fibers that are used to carry light. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable is used ...
Optical communication, also known as optical telecommunication, is communication at a distance using light to carry information. It can be performed visually or by using electronic devices . The earliest basic forms of optical communication date back several millennia, while the earliest electrical device created to do so was the photophone ...
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 .
Multi-mode optical fiber. Multi-mode optical fiber is a type of optical fiber mostly used for communication over short distances, such as within a building or on a campus. Multi-mode links can be used for data rates up to 800 Gbit/s. Multi-mode fiber has a fairly large core diameter that enables multiple light modes to be propagated and limits ...
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