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Fiber Optics, Second Edition by Edward A. Lacy, Robert J. Hoss

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1 Fiber Optics: Lightwave Communications

1.1 Introduction

For years fiber optics has been merely a system for piping light around corners and into inaccessible places so as to allow the hidden to be seen. But now fiber optics has evolved into a system of significantly greater importance and use. Throughout the world it is now being used to transmit voice, television, and data signals by light waves over flexible hair-thin threads of glass or plastic. Its advantages in such use, as compared with conventional coaxial cable or twisted wire pairs, are fantastic. As a result, millions of dollars are being spent to put these lightwave communication systems into operation.

No longer a mere laboratory curiosity, fiber optics is now an important new ...

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