Refractive index sensor based on all-dielectric gradient metasurface

S. A. Rodionov; M. A. Remnev; В. В. Климов

doi:10.1016/j.sbsr.2019.100263

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JOURNAL ARTICLE

Refractive index sensor based on all-dielectric gradient metasurface

S. A. Rodionov M. A. Remnev В. В. Климов

Year: 2019 Journal: Sensing and Bio-Sensing Research Vol: 22 Pages: 100263-100263 Publisher: Elsevier BV

DOI: 10.1016/j.sbsr.2019.100263

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Abstract

A new type of a refractive index sensor based on all-dielectric gradient metasurface was proposed and analyzed with making use of the finite element method (FEM). A new method of optical data processing which is based on intensity distribution over several diffraction orders was suggested. The intensity sensitivity of 4450%/RIU and the phase sensitivity of 1200°/RIU were demonstrated. Keywords: All-dielectric metasurface, Refractive index sensor, Data processing, Nano-optics, Gradient metasurface

Keywords:

Refractive index Sensitivity (control systems) Dielectric Materials science Intensity (physics) Optics Diffraction Finite element method Phase (matter) Optoelectronics Physics Electronic engineering

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Metamaterials and Metasurfaces Applications

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Plasmonic and Surface Plasmon Research

Physical Sciences → Engineering → Biomedical Engineering

Advanced Antenna and Metasurface Technologies

Physical Sciences → Engineering → Aerospace Engineering

Refractive index sensor based on all-dielectric gradient metasurface

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