Abstract
To understand the optical response of nanoparticles to the incident light, a theoretical description is needed, which is given in this chapter. In a first approximation, these optical properties can be described using a quasi-static model, which assumes a particle-size much smaller than the wavelength of the light. The derivation of the polarizability of a sphere, which describes its optical properties, and further extensions for spheroidal, rod-shaped and coated particles are given in Sect. 2.2.
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Becker, J. (2012). Light-Scattering and -Absorption of Nanoparticles. In: Plasmons as Sensors. Springer Theses. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31241-0_2
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DOI: https://doi.org/10.1007/978-3-642-31241-0_2
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