31 May 2002 Static light scattering by nano-objects: analysis of the influence of the object's geometry and orientation on the optical response
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Abstract
Static light scattering by a nano-sized object is studied in detail using a microscopic approach. The nano-object is modeled as an assembly of identical dipole atoms interacting via the electromagnetic field only. The atoms are considered to be linear Lorenz oscillators. Within the microscopic formalism, equations for local field strength are used. The cooperative character of the coherent light scattering by the atomic assembly gives rise to a dramatic modification of the total polarizability. We show the significant role that the geometry and orientation with respect to the external field play in determining the resonance characteristics of nano-object. The relations between the resonance frequency shift and the interatomic distance for some simple geometries are presented.
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Sergey G. Moiseev, Sergey G. Moiseev, "Static light scattering by nano-objects: analysis of the influence of the object's geometry and orientation on the optical response", Proc. SPIE 4705, Saratov Fall Meeting 2001: Coherent Optics of Ordered and Random Media II, (31 May 2002); doi: 10.1117/12.469023; https://doi.org/10.1117/12.469023
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