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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 the maximum length of a transmission link because of modal dispersion. The standard G.651.1 defines the most widely used forms of multi-mode optical fiber.
The G.651.1 Recommendation builds on a previous fiber optic specification in G.651. G.651.1 was first published in 2007. Revisions of the standard were since published in 2008, and 2018 (November).
The standard defines several classes of optical fiber interconnect: OM1*: Multimode, 62.5 μm core; minimum modal bandwidth of 200 MHz·km at 850 nm; OM2*: Multimode, 50 μm core; minimum modal bandwidth of 500 MHz·km at 850 nm; OM3: Multimode, 50 μm core; minimum modal bandwidth of 2000 MHz·km at 850 nm
Fiber-optic communication is a form of optical communication for 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 ]
Step Index with Bend mode scramblers are created simply by routing a specially designed step-index multimode fiber through a series of small radius bends, or by compressing fiber against surfaces with specific roughness. The implementations are simple, but generally less reproducible, and require care to avoid over-stressing the fiber.
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 January 2025. Cable assembly containing one or more optical fibers that are used to carry light A TOSLINK optical fiber cable with a clear jacket. These cables are used mainly for digital audio connections between devices. A fiber-optic cable, also known as an optical-fiber cable, is an assembly ...