Course Content (Syllabus)
Optical properties, optical materials, optical spectroscopy.
* Categories and applications of optical materials.
* Classical view of light and matter interaction: Complex dielectric function and optical parameters of semiconductors, metals, amorphous and molecular materials. Lorentz forced oscillator, Lorentz/Drude, Maxwell's equations in matter (dispersion relation, existence of longitudinal waves). Boundary conditions (Fresnel equations).
* Semiclassical dielectric function theory: Energy bands, quantum mechanical view of dielectric function, density of states, Kramers Kronig relations,
* UV/vis absorption/permeability, emission and reflectivity of materials: Interband transitions, Absorption and photoluminescence, excitons, impurities, amorphous materials, free carriers. Applications (photovoltaics, lasers, LEDs, plasmonic devices, organic electronics, etc.). Spectra recording and evaluation.
* Infrared absorption/reflectivity and Raman scattering. Vibrations of molecules/molecular materials, lattice dynamics in 1, 2 and 3 dimensions, Reststrahlen band, amorphous materials and materials with impurities. Recording and evaluation of spectra.
* FTIR spectroscopy techniques with applications to different kinds of materials
Additional bibliography for study
1. UV-Visible Reflection Spectroscopy of Liquids, J. A. Räty, K.-E. Peiponen, T. Asakura, 2004, HEAL-Link Springer ebooks, Εύδοξος:94190623, ISBN: 9783540450931
2. Dispersion, Complex Analysis and Optical Spectroscopy, K.-E.Peiponen, E.M. Vartiainen, T. Asakura, 1999, HEAL-Link Springer ebooks, Εύδοξος:94188677, ISBN:9783540698005