Chapter 22. Introduction to Fiber Optics

The following topics are covered in this chapter:

  • Optic Bands and Transmission Windows

  • SONET

  • DWDM

The foundation of any optical system is the fiber optic cabling. Basic fiber optic cables consist of the following components:

  • Silica core—. This is the center of the cable.

  • Cladding—. Cladding is also at the center of the cable; this and the silica core are used for carrying the optic, or lightwave (λ), signal

  • Coating, strength members, and a plastic jacket—. These enclose the fiber, providing the necessary tinsel and scratch resistance to protect the fibers.

  • Transceivers—. These are attached to both ends of the core for emitting and receiving the light pulses that form the information bits in the optical network. ...

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