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year 27, Issue 2 (ICOP & ICPET 2021 2021)
ICOP & ICPET _ INPC _ ICOFS 2021, 27(2): 334-337 |
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Lotfi F, Sang-Nourpour N, Kheradmand R. Tunable Plasmonic Sensor With High Sensitivity. ICOP & ICPET _ INPC _ ICOFS 2021; 27 (2) :334-337
URL: http://opsi.ir/article-1-2372-en.html
URL: http://opsi.ir/article-1-2372-en.html
1- Photonic and Plasma Technology group, Physics Faculty, University of Tabriz, Tabriz, Iran
2- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada
2- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada
Abstract: (943 Views)
We design a novel, real-time and accurate plasmonic sensor made of Mach-Zehnder Interferometer. Our plasmonic sensor structure composed of slab waveguides with lossy dispersive media with negative permittivity and positive permeability such as metal and graphene in the cladding of waveguide and the core of waveguides is dielectric media. In the proposed sensor structure, the sample is located near the upper branch of the interferometer. When the graphene is used at the interface between the core-cladding of the waveguide, the sensor is tuned by applying a gate voltage, with a sensitivity of 180 THz / RIU is achieved.
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