Novel electrically resonant terahertz metamaterials

Details Novel electrically resonant terahertz metamaterials Novel electrically resonant terahertz metamaterials

2006-04-28

arxiv.org/abs/cond-mat/0605002v1

Physics

Condensed Matter

Materials Science

Scientific paper

We present a new class of artificial materials which exhibit a tailored response to the electrical component of electromagnetic radiation. These electric metamaterials (EM-MMs) are investigated theoretically, computationally, and experimentally using terahertz time-domain spectroscopy. These structures display a resonant response including regions of negative permittivity (epsilon < 0) ranging from ~500 GHz to 1 THz. Conventional electric media such as distributed wires are difficult to incorporate into metamaterials. In contrast, these new localized structures will simplify the construction of future metamaterials - including those with negative index of refraction - and will enhance the design and fabrication of functional THz devices.

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