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Unformatted text preview: Week 1 Summary & Supplementary Material ZeNan Chang and Changyi Li Ch24a, Winter 2010 Interaction of Light with Matter (Much of the material has been covered or mentioned in past classes, such as Ph 2, Ph 12, or Ch 21a).) Dispersion/Scattering Supplementary Reading: Vibrations and Waves by AP French (Ph2 text), chapters 7 (dispersion) and 8 (scattering) Absorption/Emission Light can 1. Induce a dipole moment in atoms/molecules (or polarize atoms/molecules) 2. Align permanent dipole moments existing in molecules The LorentzLorenz Equation: A relation between the dipole moment, polarizability, and dielectric constant (more on this later in the handout) Classical description of Absorption and Dispersion Begin with a model of an electron. The equation of motion can be described by an inhomogeneous second order ODE (see slides). Quantum description of Absorption Supplementary Reading: Introduction to Quantum Mechanics by AC Phillips (Ph2 text), chapters 4 and 6 are of particular interest. 4 and 6 are of particular interest....
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 Winter '08
 Richards,J
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