Optical and Electro-Optic Processes
We can conceive darkness without thought of light, but we cannot conceive light without thought of darkness.
Christopher Morley
Optical and electro-optic processes are mainly associated with the interaction of light with matter. Light is simply energy and energy is intangible, being apprehended only on its interaction with matter, which acts as an origin or as a detector of energy. In this chapter, we shall discuss such interaction processes.
3.1 Nature of Light
Optical radiation is electromagnetic radiation covering a wide range of wavelengths, as was shown in Figure 1-21. As mentioned in Electromagnetic Waves and Fields in Chapter 1, light can be described by corpuscular theory or by wave theory. The ...
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