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ICOP & ICPET 2018, 24 - : 553-556 Back to browse issues page
Feasibility of Invisibility through Dipole Scattering Cancellation in Layered Metamaterial in Visible Light
Mohammadreza Forouzeshfard * 1, Erfan Ghane Sheykh Abadi 1, Mohammad Khanzadeh 1
1- Department of Physics Vali-e-Asr University, Velayat BLVD Rafsanjan
Abstract:   (38 Views)

In this paper, a layered metamaterial structure composed of silver layers as a conductor and layers of SiO2 as a dielectric is designed and proposed; so that a uniaxial anisotropic metamaterial is created. It is observed that in frequency at which the effective permittivity of the proposed structure goes to zero, the flat wave front of the plane wave is kept in passing through this structure provided that dipole approximation would be valid. Therefore, with creating a small cavity in the center of the layered metamaterial, the flat wave front of the plane wave is kept and each object which is placed inside the cavity is hidden from the external observer. Finite element simulation using COMSOL Multiphysics approved the result. Using this structure, we could yield the invisibility condition in visible spectrum of 532nm.

Keywords: Layered Metamaterial, Epsilon Near Zero, Invisibility, Effective medium theory
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Type of Study: Research | Subject: Special
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Forouzeshfard M, Ghane Sheykh Abadi E, Khanzadeh M. Feasibility of Invisibility through Dipole Scattering Cancellation in Layered Metamaterial in Visible Light. ICOP & ICPET. 2018; 24 :553-556
URL: http://opsi.ir/article-1-1612-en.html


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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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