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6 May 2013 Funneling of light in combinations of metal-insulator-metal resonators
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Abstract
We show both theoretically and experimentally that metal-insulator-metal resonators can be combined within the same subwavelength period and still behave independently. This permits to conceive surface with customizable absorption, which can for instance be used in dual band absorber or in omnidirectional wideband absorber. An energetic analysis can also be applied on these more complex antennas geometries, which highlights a sorting effect: at each resonance wavelength, the photons are funneled towards the apertures of the corresponding MIM cavity.
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P. Bouchon, Q. Lévesque, F. Pardo, P. Chevalier, C. Koechlin, J.-L. Pelouard, and R. Haïdar "Funneling of light in combinations of metal-insulator-metal resonators", Proc. SPIE 8771, Metamaterials VIII, 877109 (6 May 2013); https://doi.org/10.1117/12.2017523
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