Efficient analysis of 2D cloaking with 3D devices and of related bandwidth limitation

Craeye, Christophe;Batthacharya, A.;Gonzalez Ovejero, David
(2013) 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics – Metamaterials 2013 — Location: Bordeaux, France (16.September.2013)

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2D structures made of 3D metamaterial inclusions often exhibit a sectoral symmetry. This enables a vastly accelerated Method-of-Moment analysis of such structures. Further acceleration is offered by the multipole decomposition of the linear infinite-array Green's function. Such methods allow the fast frequency-domain response of cloaking metamaterials and in particular of their maximum bandwidth, which is shrinking for larger objects in terms of wavelengths, due to causality limitations.
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Craeye, C., Batthacharya, A., & Gonzalez Ovejero, D. (2013). Efficient analysis of 2D cloaking with 3D devices and of related bandwidth limitation. Proceedings of the 7th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics – Metamaterials 2013, pp. 364-366. https://doi.org/10.1109/MetaMaterials.2013.6809054