Characterization of dipolar current-based metamaterials showing a single resonance in the terahertz spectrum

Details Characterization of dipolar current-based metamaterials showing a single resonance in the terahertz spectrum Characterization of dipolar current-based metamaterials showing a single resonance in the terahertz spectrum

2009-07-21

arxiv.org/abs/0907.3620v2

Physics

Optics

The following article has been submitted to Applied Physics Letters. If it is published, it will be found online at http://apl

Scientific paper

We will report on the electromagnetic response due to induced dipolar currents in metamaterials of 2-dimensional array of metallic elements. Used as frequency selectors, the metamaterial transmittance presents a single resonance in the region from 1 to 8 THz that can be easily selected and scaled maintaining unaltered the quality factor by choosing the size and shape of the planar metallic element and exploiting the scalability properties of the Maxwell equations. Basing on these studies, we have designed and tested a series of simple and inexpensive frequency selective metamaterials fabricated by using lithographic processes.

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