Provides a clear overview of fiber optics without unnecessary mathematics or overly complex language The field of fiber optics has seen some of the most important technical revolutions of the twentieth century. From the development of low-loss optical fibers to the explosion of the application of lasers in communication systems, understanding the dramatic evolution of optic fibers is relevant to professionals and students in a growing number of disciplines. Fiber Optic Essentials provides a clear overview of the subject, covering the basics and its fascinating progression to where it stands today--crisscrossing the entire Earth under the seas, over land, and across mountains. The book also explores emerging topics, including: Nonlinear fiber optics Fiber Bragg gratings Fiber-based sensors Filled with examples, diagrams, and everyday comparisons, this survival guide is an essential resource for engineering professionals, technical managers, and students who are interested in gaining a basic understanding of fiber optics.