Anisotropic nonlinear dielectric composites based on ellipsoidal particulate geometries

Tom G. MacKay

doi:10.1117/12.503575

9 July 2003 Anisotropic nonlinear dielectric composites based on ellipsoidal particulate geometries

Tom G. MacKay

Proceedings Volume 5218, Complex Mediums IV: Beyond Linear Isotropic Dielectrics; (2003) https://doi.org/10.1117/12.503575
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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.

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Tom G. MacKay "Anisotropic nonlinear dielectric composites based on ellipsoidal particulate geometries", Proc. SPIE 5218, Complex Mediums IV: Beyond Linear Isotropic Dielectrics, (9 July 2003); https://doi.org/10.1117/12.503575

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KEYWORDS

Bromine

Homogenization

Composites

Dielectrics

Scattering

Atrial fibrillation

Anisotropy

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