Abstract
In this paper, design and numerical simulation of a new proposed plasmonic pressure sensor based on Plasmon-Induced Transparency (PIT) is introduced. One of the most sensitive methods in using of plasmonic structures is PIT-phenomena that we used in this sensor. Two-dimensional (2D) molybdenum disulfide (MoS2) and graphene are used in the proposed structure because of their high sensitivity to pressure and suitable resonance conditions. The system consists of two parts: mechanical and optical parts. Applying any pressure to the mechanical part, causes a compression in the sensor structure, which results in a change in the resonant frequency of the optical output spectrum. Ultra-high sensitivity, nanoscale, simple structure, integration capability and suitable range of pressure measurement from 1 MPa to 50 GPa are the advantages of the proposed sensor. Finite Element Method (FEM) and Finite Difference Time Domain (FDTD) methods have been used for simulation of mechanical and optical parts, respectively.
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