## Optical Properties of Conducting Polymers

The optical constants of solids reflect their electronic and vibronic structure since the electromagnetic field of the light wave interacts with all fixed and mobile charges, i.e. with free electrons of the solid, with polarons, bound electrons, ions, polar phonons, plasmons etc

Helmut G. Kiess

2012

#### Scholarcy highlights

• The optical constants of solids reflect their electronic and vibronic structure since the electromagnetic field of the light wave interacts with all fixed and mobile charges, i.e. with free electrons of the solid, with polarons, bound electrons, ions, polar phonons, plasmons etc
• In general the response to light is described by the complex dielectric function ε = ε1(ω) + iε2(ω)
• If the dielectric function is known, one can obtain information on the nature of the interactions or quasi-particles themselves and their optical transitions

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