Broadband absorption through extended resonance modes in random metamaterials
Journal Article
·
· Journal of Applied Physics
- Institut d'Électronique de Microélectronique et Nanotechnologies, IEMN-UMR CNRS 8520, Université de Lille 1, Avenue Poincaré, BP 60069, 59652 Villeneuve d'Ascq Cedex (France)
The properties of disordered metamaterial absorbers are analyzed on the basis of numerical simulations and experimental characterizations. A broadening of the absorption spectrum is clearly evidenced. This effect is the consequence of both the coupling between nearby resonators leading to the occurrence of extended magnetic resonance modes and the interconnection of elementary particles yielding the definition of resonating clusters. The angular robustness of the absorbing structure under oblique incidence is also demonstrated for a wide domain of angles.
- OSTI ID:
- 22596984
- Journal Information:
- Journal of Applied Physics, Vol. 119, Issue 19; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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