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The Swiss Roll structure is a strongly magnetic metamaterial at radiofrequency but is constructed from non-magnetic materials. This makes it an attractive candidate for use in the magnetic resonance environment. In this paper I review the performance of the material with particular emphasis on its imaging capability, and describe how the structure can be tuned to alter its magnetic properties. Its...
I review the development of metamaterials, artificial media engineered to have effective permittivity and permeability values that may not be available in naturally occurring materials, and discuss their use to control electromagnetic fields, and thus to make lenses with sub-wavelength resolution and a cloak of invisibility.
I review the development of metamaterials, artificial media engineered with effective permittivity and permeability, and discuss their use to control electromagnetic fields, and thus to make lenses with sub-wavelength resolution and a cloak of invisibility.
The author will review metamaterials with particular emphasis on how it can deliver magnetism and hence a negative refractive index across the electromagnetic spectrum from the RF to the visible, and discuss the prospects applications.
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