The material properties: permittivity and permeability, can be used to classify all materials including metamaterials (MTMs)1. MTMs are engineered materials composed of sub-wavelength unit cells with unique properties that may not usually be available in nature2–6. Modification of the MTM geometry can be used to tune its electric and or magnetic response thereby producing tailored values of permittivity or permeability. The resulting modification of the effective material properties may also affect the MTM’s transmission, reflection, absorption, and coupling capabilities7. MTM applications include negative index materials8–11, near zero index materials12,13, gradient index materials14, and electromagnetic cloaking15–17.