Optical Magnetism
Abstract
Theoretical and numerical studies of metamaterials are addressing the question of whether true optical magnetism is possible. Lattice-based structures that have symmetries leading to unique descriptions of homogenized permeability are being evaluated. Current work on conduction current magnetism in carbon nanotubes is being extended to more general materials with consideration of displacement current effects. Numerical results are being viewed both in terms of spatial dispersion, associated with the structure of the material, and equivalent circuit concepts. Promising results from this work will guide plans for an experimental demonstration of optical magnetism. Establishing that optical magnetism is possible would be of enormous importance, both in terms of the fundamental science, and also the myriad of applications that could be revolutionized by a magnetic metamaterial.
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 15, 2014
- Accession Number
- ADA623120
Entities
People
- Kevin J. Webb
Organizations
- Purdue University