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BO FANG1,2, YUJIE CHEN1, XUFENG JING1,*
- China Jiliang University, Hangzhou 310018, China
- University of Shanghai for Science and Technology, No. 516 JungGong Road, Shanghai 200093, China
A extremely high refractive index metamaterial can be realized by decreasing the diamagnetic effect in metallic unit and increasing the effective permittivity through strong capacitive coupling. Based on design of a square-shaped metallic patches metamaterial, the peak index of refraction near 33.5 at 0.9THz can be achieved. When the second square-shaped patch is nested in metamaterial, a dual band high refractive index is achieved. Both of the high index bands can separately correspond to different component in metamaterial structure. Then, a triple nested square-shaped metallic patches metamaterial to realize multiband high refractive index performence was designed..
Metamaterial, High refractive index, Terahertz.
Submitted at: Aug. 11, 2017
Accepted at: Aug. 9, 2018
BO FANG, YUJIE CHEN, XUFENG JING, Design of multiband isotropic ultrahigh refractive index metamaterials in the terahertz region, Journal of Optoelectronics and Advanced Materials Vol. 20, Iss. 7-8, pp. 371-378 (2018)
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