Mackay, T. and Weiglhofer, W.S. (2001) Homogenization of biaxial composite materials: bianisotropic properties. Journal of Optics A: Pure and Applied Optics, 3, pp. 45-52.
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Abstract
We explore in detail the conceptualization of biaxial bianisotropic mediums through the process of homogenization. Biaxial bianisotropy is found to arise when (i) the component mediums undergoing homogenization present two non-collinear distinguished axes and (ii) the most basic form of magnetoelectric coupling in the form of isotropic chirality is present in at least one of the component mediums. Two possible sources of directionality in the component mediums are considered: (i) topological and (ii) electromagnetic. Examples of these are investigated by considering the homogenization of particulate components with (i) non-spherical topologies and isotropic electromagnetic properties and (ii) uniaxial bianisotropic electromagnetic properties and spherical topologies. A generalized biaxial bianisotropic structure, characterized by 45 real-valued parameters, is presented. Complex symmetries are found in the constitutive dyadics of the homogenized composite mediums which would not be anticipated from a familiarity with the dielectric or dielectric-magnetic case.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | UNSPECIFIED |
| Authors: | Mackay, T., and Weiglhofer, W.S. |
| College/School: | College of Science and Engineering > School of Mathematics and Statistics > Mathematics |
| Journal Name: | Journal of Optics A: Pure and Applied Optics |
| ISSN: | 1464-4258 |
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