This patent specification relates generally to the propagation of electromagnetic radiation and, more particularly, to {HEAD ~ composite materials} capable of exhibiting negative effective permeability and {TAIL ~ negative effective permittivity} with respect to incident electromagnetic radiation 
This patent specification relates generally to the propagation of electromagnetic radiation and , more particularly , to { HEAD ~ composite materials } capable of exhibiting negative effective permeability and { TAIL ~ negative effective permittivity } with respect to incident electromagnetic radiation
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