Dielectric metamaterials based on electric and magnetic resonances of silicon carbide particles |
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Authors: | Schuller Jon A Zia Rashid Taubner Thomas Brongersma Mark L |
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Institution: | Geballe Laboratory for Advanced Materials, 476 Lomita Mall, Stanford, California 94305, USA. |
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Abstract: | Silicon carbide particles exhibit both electric and magnetic optical resonances, allowing unexplored dielectric metamaterial designs. Experimental extinction spectra and Mie theory calculations of single microscale rod-shaped particles reveal three observable midinfrared resonant modes. Two of the modes are degenerate, with a frequency that can be tuned according to a resonance condition derived within the Letter. The existence of both electric and magnetic resonances may enable a novel negative refractive index metamaterial design. |
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