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Volume 25 - ICOP & ICPET 2019                   ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 177-180 | Back to browse issues page

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Ghera'ati A R, Izadshenas jahromi J. Optical sensor based on plasmon induced transparency in metamaterial graphene. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :177-180
URL: http://opsi.ir/article-1-1793-en.html
Abstract:   (1854 Views)
In this work, considers the numerical solution of a metamaterials structure consisting of graphene in which two graphene bars are on a dielectric. Actually, the destructive interaction occurred in this structure between the two bright-dark plasmonic modes leads to stimulated transparence in spectral responses. In fact, observe induced transparency by symmetry breaking in structure. Furthermore, controls the scope of this clear aperture by changing the graphene input voltage and changes in the chemical doping of graphene covered the far infrared range. So, in two ways, resonance range controls which are that symmetry breaking in structure and chemical potential. Reduce of group velocity is order of 361.3 and sensitivity of this structure calculated as 20 um/RIU. Results show that graphene metamaterials may offer new possibilities for applications in optical switches, light slowing and biosensors.
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Type of Study: Research | Subject: Special

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