Abstract

Studying and Simulation of a Different Formation of U Shape with T and L Shapes of Plasmonic Nanoantennas With Variable Substrates

Highlights

  • Nanoantenna is a nanoparticle of metallic structures designed to deal with light [1,2]

  • Three models of the nano antennas are proposed by using the U-shape added to L, T shapes in a 3D FDTD Lumerical program to design a simulation Plasmonic nanoantenna trying to achieve dual and triple spectral resonance and field enhancement distributions E and H with the best transmission, we used a multi type of substrate model in order to change the refractive index that effects the surface Plasmon resonance with each a model

  • As a result of the interaction between the incidents light with the surface of the metals, each model demonstrates that dielectric and refractive index and the thickness of the substrate have an effect on radiation efficiency

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Summary

Introduction

Nanoantenna is a nanoparticle of metallic structures designed to deal with light [1,2]. Nanoantennas are being designed in different shapes and material arrangements [8,9]. Over the last few years, different shapes of nanoantenna have been proposed by changing arrangement of the parts to obtain multi resonances in a range of mid IR [16] and improve the reflection for spectrometry [17], such as Bowtie [18], loop [19], and triangular [20] as a basic design. The arrays of the U-shaped metallic periodic with SRRs to improve the magnetic resonances of metamaterials are composed of high-quality sensing [29]

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