Fiber-optic cable is a networking medium that uses modulated light transmissions. It can be costlier than other networking media, depending on the purity and the size of the fiber used. The connectors that terminate fiber also tend to be more expensive. Fiber is not susceptible to electromagnetic or radio frequency interference. It is capable of higher data rates than any of the other types of current networking media. As the diameter of the fiber gets smaller, the maximum transmission rate increases.
Data for fiber-optic cable are converted into pulses of light and this light is allowed to propagate down the fiber.
Data for fiber-optic cable are converted into pulses of light and this light is allowed to propagate down the fiber.
The light-guiding parts of an optical fiber are referred to as the core and the cladding. The core is usually very pure glass with a lower index of refraction. When a cladding layer of glass or plastic with a low index of refraction surrounds the core glass, light can be trapped in the fiber core. This process is called total internal reflection, and it allows the optical fiber to act like a light pipe that guides light for tremendous distances, even around bends.
Fiber-optic communication is rooted in a number of inventions made in the 19th century. It was not until the 1960s, when solid-state laser light sources and high-quality impurity-free glasses were introduced, that fiber-optic communication became practical. Telephone companies, who saw its benefits for long-distance communication, pioneered its use on a widespread basis
Fiber-optic communication is rooted in a number of inventions made in the 19th century. It was not until the 1960s, when solid-state laser light sources and high-quality impurity-free glasses were introduced, that fiber-optic communication became practical. Telephone companies, who saw its benefits for long-distance communication, pioneered its use on a widespread basis