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Proceedings Paper

Anisotropic nonlinear dielectric composites based on ellipsoidal particulate geometries
Author(s): Tom G. MacKay
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Paper Abstract

The anisotropic homogenized composite medium (HCM) which arises from particulate component phases based on ellipsoidal geometries is considered. For cubically nonlinear component phases, the zeroth-order strong-permittivity-fluctuation theory (SPFT) (which is equivalent to the Bruggeman homogenizaiton formalism) and second-order SPFT are established and applied to estimate the constitutive parameters of the HCM. The sensitivity of the HCM constitutive parameters to the component phase particulate geometries is investigated. Particular attention is drawn to differences between the estimates of the Bruggeman homogenization formalism and the second-order SPFT. The issue of nonlinearity enhancement is explored.

Paper Details

Date Published: 9 July 2003
PDF: 11 pages
Proc. SPIE 5218, Complex Mediums IV: Beyond Linear Isotropic Dielectrics, (9 July 2003); doi: 10.1117/12.503575
Show Author Affiliations
Tom G. MacKay, The Univ. of Edinburgh (United Kingdom)

Published in SPIE Proceedings Vol. 5218:
Complex Mediums IV: Beyond Linear Isotropic Dielectrics
Martin W. McCall; Graeme Dewar, Editor(s)

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