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

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2 Fundamentals of Light

As many electronics technicians have had no education or experience in optics, in this chapter we discuss those fundamental characteristics and phenomena of light that relate to fiber optics. We limit the discussion to those principles of light that are relevant to a basic understanding of optical fibers, LEDs, injection lasers, and photodetectors. These principles are necessary for understanding fiber-optic components discussed later. Detailed mathematical explanations of lenses, quantum mechanics, and the like will not be given, as they are needed more by the physicist than by the technician.

2.1 Nature of Light

2.1.1 Wave vs. Particle Theory

For centuries, physicists have attempted to describe the nature of light ...

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