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Difference between Resonant metamaterial and non resonant metamaterial | Resonant metamaterial Vs non resonant metamaterial

This page compares Resonant metamaterial vs non resonant metamaterial and mentions difference between Resonant metamaterial and non resonant metamaterial.

Introduction:
The materials having following properties are known as metamaterials.
• negative index of refraction (n)
•  ε<0, μ<0. as shown by third quadrant in the figure-1 below.
• imaging beyond Abbe's diffraction limit of λ/2

The metamaterials are of two types viz. resonant metamaterials and non resonant metamaterials. Refer What are metamaterials>>.

classification of materials depicting metamaterials

Resonant Materials

resonant metamaterial

Following are the features of resonant materials.
• Period is approximately λ/10
• Oscillating currents in the conductors emulate atomic resonances
• Example: left handed metamaterials
• refractive index less than one

Non resonant Materials

non resonant metamaterial

Following are the features of non resonant materials.
• Period can be much less than λ
• No current oscillates or no wave scatters in non resonant materials.
• greater tolerance to structural de-formations.
• Few magical properties compare to resonant metamaterials
• Examples: anisotropic metamaterials, hyperbolic metamaterials

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