A NOVEL TUNABLE ANTENNA AT THZ FREQUENCIES USING GRAPHENE-BASED ARTIFICIAL MAGNETIC CONDUCTOR (AMC)

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2013 English Publisher:The Electromagnetics AcademyJournal:Progress In Electromagnetics Research Letters, volume 41, pages 29-38 (eissn: 1937-6480,

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Authors: Xuchen Wang; Wen-Sheng Zhao; Jun Hu; Tian Zhang;

doi: 10.2528/pierl13050203

A NOVEL TUNABLE ANTENNA AT THZ FREQUENCIES USING GRAPHENE-BASED ARTIFICIAL MAGNETIC CONDUCTOR (AMC)

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Abstract

In this paper, a novel tunable antenna using graphene- based artiflcial magnetic conductor (AMC) is proposed and investi- gated. The resonance frequency of the AMC ground plane can be electrically tuned by applying a gate voltage. A bowtie-shaped an- tenna is mounted above the 15 £ 15 AMC units. It is observed that the operating frequency of the antenna system shifts in a large range when varying the external electric fleld. The bandwidth of the antenna system can reach as high as 47% with a gain higher than 9dB.

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