Content.- 1 Materials, Properties, and Basic Formulas.- 1.1 Materials and Their Structures.- 1.2 Brillouin Zones and Electronic Energy-Band Structure.- 1.3 Optical Constants and Some Dispersion Relations.- References.- 2 The Reststrahlen Region.- 2.1 Static and High-Frequency Dielectric Constants.- 2.2 Reststrahlen Spectra.- References.- 3 The Interband Transition Region: Crystalline Materials.- 3.1 Optical Dispersion Model.- 3.2 Temperature, Pressure, and Doping Effects.- 3.3 Fresnel Reflection Coefficient, Ellipsometry Definition, and Surface Oxide Effect.- 3.4 Effect of Surface Roughness: Effective-Medium Approximation.- References.- 4 The Interband Transition Region: Amorphous and Microcrystalline Materials.- 4.1 Amorphous Materials.- 4.2 Microcrystalline Materials.- References.- 5 At or Below the Fundamental Absorption Edge.- 5.1 Optical Absorption.- 5.2 Refractive Index.- 5.3 Free-Carrier Absorption and Related Phenomena.- References.- 6 Concluding Remarks.- References.
