Asymmetric double split-ring metamaterials absorber in the terahertz region

He Jun; Qingmei Li; Jingling Shen

doi:10.1117/12.1000071

5 December 2012 Asymmetric double split-ring metamaterials absorber in the terahertz region

He Jun, Qingmei Li, Jingling Shen

Proceedings Volume 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II; 85620N (2012) https://doi.org/10.1117/12.1000071
Event: Photonics Asia, 2012, Beijing, China

Abstract

We present the simulation of an asymmetric double split-ring metamaterials absorber in terahertz region. The device consists of a metal/dielectric-spacer/metal structure allowing us select absorption by varying the asymmetric characteristics. When the two gaps are gradually away from the center in opposite direction, a giant amplitude modulation is observed at the fundamental inductive-capacitive (LC) resonance and the resonant frequencies are observed to red shifting. Besides, increasing the thickness of dielectric-spacer, the peak absorption can be changed. This theoretical simulation will be good reference for the follow experiments, and these asymmetric metamaterials absorbers is expected to be used as cloaking materials.

Citation Download Citation

He Jun, Qingmei Li, and Jingling Shen "Asymmetric double split-ring metamaterials absorber in the terahertz region", Proc. SPIE 8562, Infrared, Millimeter-Wave, and Terahertz Technologies II, 85620N (5 December 2012); https://doi.org/10.1117/12.1000071

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