| http://www.w3.org/ns/prov#value | - As can be seen, the magnetic permeability ?? is sharply negative at the resonant frequency ??=5.03e15 illustrating the resonant frequency ?? of the metamaterial 20 at the wavelength ?? of approximately 0.375 microns (??m).Referring to FIG. 5A, shown is an example of a negative index metamaterial (NIM) wherein the electrical permittivity and the magnetic permeability both have negative values.
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