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The Basics of Fiber Optics, Part 2

Published Sunday, August 01, 1999

Certain characteristics affect the performance of typical optical fiber. Knowing what it is will help you make more knowledgeable design and purchasing decisions. This second part of a three-part article continues our discussion of fiber optics. Last month, we discussed how we use light to send communication signals and why this method works so well. This month, we'll talk about total internal reflection, numerical aperture, chromatic and modal dispersion and the various types of optical fibers in use today. Total internal reflection. Optical fiber functions well for signal transmission because of the principle of total internal reflection. Here's ...

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