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Crystals 2017, 7(1), 1; doi:10.3390/cryst7010001

Applicability of Effective Medium Approximations to Modelling of Mesocrystal Optical Properties

Institute of Optics, Information and Photonics, University of Erlangen-Nürnberg, Haberstrasse 9a, 91058 Erlangen, Germany
Academic Editor: Helmut Cölfen
Received: 19 October 2016 / Revised: 12 December 2016 / Accepted: 20 December 2016 / Published: 22 December 2016
(This article belongs to the Special Issue Mesocrystals and Hierarchical Structures)
View Full-Text   |   Download PDF [1843 KB, uploaded 22 December 2016]   |  

Abstract

Rigorous superposition T-matrix method is used to compute light interaction with mesocrystalline structures. The results are used to validate the applicability of effective medium theories for computing the effective optical constants of mesocrystal structures composed of optically isotropic materials. It is demonstrated that the Maxwell-Garnett theory can fit the rigorous simulation results with an average accuracy of 2%. The thus obtained refractive indexes can be used with any electromagnetic simulation software to represent the response of mesocrystals composed of optically small primary particles arranged into a cubic type lattice structures. View Full-Text
Keywords: mesocrystals; particles; light scattering; Mie scattering; numerical modelling; T-matrix; effective medium theory; Maxwell-Garnett mesocrystals; particles; light scattering; Mie scattering; numerical modelling; T-matrix; effective medium theory; Maxwell-Garnett
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhuromskyy, O. Applicability of Effective Medium Approximations to Modelling of Mesocrystal Optical Properties. Crystals 2017, 7, 1.

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