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Volume 25 - ICOP & ICPET 2019
ICOP & ICPET _ INPC _ ICOFS 2019, 25 - ICOP & ICPET 2019: 369-372 |
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Ghafari S, Foroozesh fard M R, Vafapour Z. Tunable plasmonic induced transparency and sensor properties in a graphene structure. ICOP & ICPET _ INPC _ ICOFS 2019; 25 :369-372
URL: http://opsi.ir/article-1-1867-en.html
URL: http://opsi.ir/article-1-1867-en.html
1- Department of Physics, Faculty of Science, Vali-e-Asr University, Rafsanjan, Iran
2- Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
2- Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
Abstract: (1641 Views)
plasmonic inducedtransparency in a graphene structure composed of cut-out H-shape as well as two parallel pair antennas in a graphene layer is investigated. It is shown that breaking symmetry is a necessary condition to have PIT effect in the structure. In this situation, the dark mode antenna coupled with the near field of the bright mode and the PIT effect is created. The PIT frequencycan be tuned with changing chemical potential of the graphene. Application of the structure as a refractive index sensor is also analyzed and the value of is obtained for water sensitivity.
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