Understanding Fiber Optics

Understanding Fiber Optics
Author(s):    Jeff Hecht
Published:   2015
DOI:             10.1117/3.1445658
eISBN: 1511445653
Description:

Except for this preface, the front matter, and the errata that follows, this Laser Light Press edition reprints the fifth edition of Understanding Fiber Optics published in 2006 by Pearson Education, Inc. I am planning a sixth edition, but because that will take a while to prepare and with the Pearson edition is no longer available, I am reprinting the fifth through Laser Light Press. It may not cover the cutting edge of fiber optics, but it does cover the fundamentals you need to understand the field.

This edition also is an experiment. I want to see how reducing the book’s price will affect sales and make Understanding Fiber Optics more accessible to students. Thus Laser Light Press offers a low-cost PDF electronic version and a relatively inexpensive print-on-demand paperback. The many diagrams make an e-reader version more difficult.

Whether you are an instructor, a student or a general reader, I would appreciate your comments and suggestions. If you are teaching a course based on the book, please contact me at jeff@jeffhecht.com for an instructor’s manual. You can find more information on the book’s status and on associated material at through http://www.understandingfiberoptics.com or through http://www.jeffhecht.com.

The authors provide a unified, self-contained treatment of the theory, practice, and applications of shearographic interferometry with problems and questions. The book will meet the requirements of graduate students, as well as be of assistance in research and industry applications.

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Since the second industrial revolution, industry has been seeking more efficient measuring and testing methods with the aim of reaching higher production quality and reliability. With the invention of the first functioning laser in 1960, a modern evolution of optical measurement methods began.1 Laser-based modern optical measurement methods have the advantages of extremely high sensitivity and noncontact, which make them ideal for use in nondestructive, online, and full-field testing in industrial applications. Shearography, also called speckle pattern shearing interferometry, is a measurement technique based on laser speckle pattern interferometry. It measures the gradient of the deformation. In order to provide a better understanding of the digital shearography technique, this chapter gives a brief review of basic optics principles by reviewing the properties of lasers, wave equations, and the speckle pattern phenomenon.

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