Abstract
This chapter focuses on fiber optic communications and its main features. Fiber optic communication uses light signals guided through a fiber core. Fiber optic cables act as waveguides for light, with all the energy guided through the central core of the cable. The light is guided because of the presence of a lower refractive index cladding surrounding the central core. None of the energy in the signal is able to escape into the cladding and no energy is able to enter the core from any external sources. Therefore, the transmissions are not subjected to electromagnetic interference. Fiber optic cables deliver more reliable transmissions over greater distances, although at a somewhat greater cost. Cables of this type differ in their physical dimensions and composition and in the wavelength(s) of light with which the cable transmits. The chapter discusses ways to fix problems with splicing, laser and LED transmitters, driver incompatibility, incorrect bending radius in installation, and interface to cable connectors.
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