Numerical Studies of Vane-type Fishnet Metamaterial Structure


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Narasimhan, P and Ghosh, SK (2019) Numerical Studies of Vane-type Fishnet Metamaterial Structure. In: TENCON 2019, Oct. 17-20, 2019, kochi, Kerala.

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Numerical studies of vane-type, double negative, fishnet metamaterial structure is presented. The constitutive electromagnetic parameters of the double-sided vane-type structure are extracted through both Kramers-Kronig (K-K) method and the parameter fitting of dispersive models (PFDM) method. The designed metamaterial structure is shown to exhibit negative refractive index,approximately, from 15-16 GHz with the lowest refractive index of -10.53 at 15.4 GHz. The double negative behavior in this frequency range is further confirmed through the simulation of the equivalent bulk medium of the designed metamaterial structure in a wedge-shaped structure. The negative refraction exhibited by the equivalent bulk medium in the wedge-shaped structure is also shown and discussed.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: double negative; fishnet; vane-type; PFDM; Kramers- Kronig;
Subjects: Microwave Tubes > Travelling Wave Tubes
Divisions: Microwave Tubes
Depositing User: Mr. Jitendra Nath Bajpai
Date Deposited: 27 Aug 2021 07:04
Last Modified: 27 Aug 2021 07:04

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